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Astronomy & Space news
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Every planet of our solar system is lining up in the February night sky
Seven planets grace the sky at the end of February in what's known as a planetary parade, though some will be difficult to spot with the naked eye.
Space Exploration
7 hours ago
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New dwarf galaxy discovered in the halo of Andromeda galaxy
An international team of astronomers reports the discovery of a new dwarf galaxy, which they have named Pegasus VII. The newfound galaxy, which lies about 2.4 million light years away, was identified in the Ultraviolet Near-Infrared ...
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Breakthrough enables measurement of local dark matter density using direct acceleration measurements
Dr. Sukanya Chakrabarti, the Pei-Ling Chan Endowed Chair in the College of Science at The University of Alabama in Huntsville (UAH), and her team have pioneered the use of gravitational acceleration measurements of binary ...
Astronomy
9 hours ago
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Geysers on Saturn's icy moon Enceladus may form from a 'mushy zone'
Searching for life on other celestial bodies, or at the very least the necessary components to support it, has been fascinating scientists and enthusiasts for centuries. While planets are the obvious choice, their moons can ...
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Solar system's journey through Orion complex 14 million years ago may have altered Earth's climate
An international research team led by the University of Vienna has discovered that the solar system traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million ...
Astronomy
10 hours ago
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Multi-line reverberation mapping uncovers hidden dynamics in active galactic nuclei
A research team from the Yunnan Observatories of the Chinese Academy of Sciences has recently published a study in The Astrophysical Journal that examines the inner and outer broad-line regions (BLRs) of active galactic nuclei ...
Astronomy
12 hours ago
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One of the most massive black holes in the universe lurks at the center of the Cosmic Horseshoe
In 2007, astronomers discovered the Cosmic Horseshoe, a gravitationally lensed system of galaxies about 5.5 billion light-years away. The foreground galaxy's mass magnifies and distorts the image of a distant background galaxy ...
Astronomy
6 hours ago
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Lucy spacecraft takes its first images of asteroid Donaldjohanson
NASA's Lucy spacecraft has its next flyby target, the small main belt asteroid Donaldjohanson, in its sights. By blinking between images captured by Lucy on Feb. 20 and 22, this animation shows the perceived motion of Donaldjohanson ...
Astronomy
6 hours ago
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NASA's EZIE is launching to study magnetic fingerprints of Earth's aurora
High above Earth's poles, intense electrical currents called electrojets flow through the upper atmosphere when auroras glow in the sky. These auroral electrojets push about a million amps of electrical charge around the ...
Planetary Sciences
6 hours ago
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Chance asteroid 2024 YR4 will hit Earth down to 0.001 percent, ESA says
The chance that a football field-sized asteroid capable of destroying a city will strike Earth in 2032 has fallen to 0.001 percent, the European Space Agency said on Tuesday.
Space Exploration
14 hours ago
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JWST uncovers rare ultra-hot Neptune LTT 9779 b's exotic atmosphere
A team of international researchers including Dr. Jake Taylor from the Department of Physics at the University of Oxford, has used the James Webb Space Telescope (JWST) to explore the exotic atmosphere of LTT 9779 b, a rare ...
Astronomy
14 hours ago
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Have we been wrong about why Mars is red?
Mars is easily identifiable in the night sky by its prominent red hue. Thanks to the fleet of spacecraft that have studied the planet over the last decades, we know that this red color is due to rusted iron minerals in the ...
Planetary Sciences
18 hours ago
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Scientists have discovered a 3-billion-year-old beach buried on Mars
In the 1970s, images from the NASA Mariner 9 orbiter revealed water-sculpted surfaces on Mars. This settled the once-controversial question of whether water ever rippled over the red planet.
Planetary Sciences
9 hours ago
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NASA's Europa Clipper uses Mars to go the distance
On March 1, NASA's Europa Clipper will streak just 550 miles (884 kilometers) above the surface of Mars for what's known as a gravity assist—a maneuver to bend the spacecraft's trajectory and position it for a critical ...
Space Exploration
10 hours ago
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Latest observations help almost fully rule out 2024 YR4 asteroid impact
New observations of 2024 YR4 conducted with the European Southern Observatory's Very Large Telescope (ESO's VLT) and facilities around the world have all but ruled out an impact of the asteroid with our planet. The asteroid ...
Astronomy
12 hours ago
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Laser-powered device tested on Earth could help detect microbial fossils on Mars
The first life on Earth formed four billion years ago, as microbes living in pools and seas: what if the same thing happened on Mars? If it did, how would we prove it? Scientists hoping to identify fossil evidence of ancient ...
Astrobiology
23 hours ago
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Mission concept proposes sampling Enceladus's subsurface ocean
How can we explore Saturn's moon, Enceladus, to include its surface and subsurface ocean, with the goal of potentially discovering life as we know it? This is what a recent study presented at the American Geophysical Union ...
Astrobiology
18 hours ago
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Jupiter-like exoplanet orbiting nearby star detected
Israeli astronomers report the detection of a new Jupiter-like exoplanet using the High Accuracy Radial velocity Planet Searcher (HARPS). The newfound alien world orbits a nearby M-dwarf star designated GJ 2126. The discovery ...
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Ancient beaches testify to long-ago ocean on Mars
A Chinese rover that landed on Mars in 2021 detected evidence of underground beach deposits in an area thought to have once been the site of an ancient sea, providing further evidence that the planet long ago had a large ...
Astrobiology
Feb 24, 2025
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New theoretical model offers unified explanation for astrophysical outflows
A recent study published in The Astrophysical Journal has introduced a new theoretical model that explains astrophysical outflow phenomena spanning 12 orders of magnitude, from protostars to supermassive black holes.
Astronomy
Feb 24, 2025
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More news
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SpaceX targeting Friday for next test of Starship megarocket
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Lunar Trailblazer blasts off to map water on the moon
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Two atmospheric missions on one satellite
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SpaceX delays launch from Cape Canaveral
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Do look up: How Earth can defend itself against asteroid
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Musk in X spat with Danish astronaut over 'abandoned' ISS crew
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Moon or Mars? NASA's future at a crossroads under Trump
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Asteroid deflection strategies: Researchers unveil new scenarios
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Odds plummet that asteroid will hit Earth in 2032
Other news
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Bubbles that break rules: A fluid discovery that defies logic
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Designing self-destructing bacteria to make effective tuberculosis vaccines
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A completely new type of microscopy based on quantum sensors
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Should astronauts be worried about Mars dust?
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60 years ago: Ranger 8 moon photos aid in Apollo site selection
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'City killer' asteroid now has 3.1% chance of hitting Earth: NASA
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Sulfur may be a new tool for finding alien life
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SpaceX debris enters atmosphere over Poland: agency
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A faster way to detect Listeria: New method takes 8 hours instead of 24 or more
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Photocurrent spectroscopy uncovers hidden energy losses in water splitting
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