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Astronomy & Space news
Reexamined Viking 2 signal reveals possible marsquake from region active decades later
Earthquakes and the seismic waves they generate provide some of the best clues to Earth's interior. To extend that success to other worlds, scientists placed seismometers on the Apollo missions to the moon and on the Viking ...
Planetary Sciences
11 hours ago
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Hubble observations challenge supernova winds' role in cosmic reionization
An international team of researchers, including members from the University of Michigan, has revealed surprising results that could rewrite our understanding of a key transition in the early universe.
Astronomy
11 hours ago
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Astronomers uncover the engine behind the most powerful stellar flares in the Kepler field
A new study led by researchers at the Konkoly Observatory of the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) in Budapest has revealed what makes a distant red giant star the most explosively active ...
Astronomy
15 hours ago
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NASA's CASALS instrument bridges gaps in 3D maps of Earth's surface
A team of researchers at NASA's Goddard Space Flight Center (GSFC) has developed a new instrument designed to eliminate blind spots between lines of lidar data on Earth's surface. Built with support from NASA's Earth Science ...
Planetary Sciences
10 hours ago
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SpaceX turns a profit after a string of losses as its satellite and computer leasing businesses soar
SpaceX reported a bigger quarterly profit than expected Tuesday as its satellite communications operations and its business of leasing computing power to other companies boomed.
Space Exploration
19 hours ago
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A pulsar's apparent slowdown reveals a rare stellar trio
Pulsars are rapidly rotating neutron stars, the extremely dense cores left behind when massive stars explode. Astrophysicists have recently observed a pulsar rotating over 300 times per second that appeared to be slowing ...
The sun may have stripped away meters of interstellar comet 3I/ATLAS
The interstellar comet 3I/ATLAS brought material from another planetary system within reach of our telescopes, but reading its chemistry poses a problem. Energetic particles encountered during its journey through space may ...
Giant canyon on Mars is still tectonically active today
Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system is still active and shaping Mars today, billions of years after it first formed.
Planetary Sciences
Oct 20, 2026
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260
The Orionid meteor shower is coming. Here's how and when to watch
The Orionids—one of two major meteor showers caused by remnants from Halley's Comet—will peak this week, though a large moon will dim visibility until after it sets late at night.
Space Exploration
Oct 20, 2026
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Water as we've never known it: Physicists test water beyond Earth-like conditions
Water isn't always as it seems. Under extreme conditions, such as those found on other planets, it has been discovered to change its atomic structure, giving it the means to alter its appearance and other properties.
Planetary Sciences
Oct 20, 2026
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NASA experimental Mars helicopter blade designs target longer flights
NASA researchers are developing the future of flight on Mars, laying the groundwork for helicopters with the ability to fly higher and farther while conducting science on the Red Planet. Using high-fidelity computer simulations ...
Space Exploration
Oct 20, 2026
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Japan launches spacecraft to mysterious moons of Mars in a bold mission to bring home soil samples
A Japanese spacecraft rocketed toward Mars on Tuesday on a quest to explore its mysterious moons and bring back samples.
Space Exploration
Oct 20, 2026
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214
Using eyedrops in space—wearable patch offers a new approach
Applying eyedrops is difficult in space, where there is almost no gravity. A KAIST research team has developed a wearable patch that delivers eyedrops to the eye without relying on gravity. The research team was led by Professor ...
Space Exploration
Oct 20, 2026
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A magnetar can be born when two neutron stars touch
All neutron stars have intense magnetic fields. The typical magnetic field of a neutron star is about 100,000 times stronger than the strongest magnetic fields we can create on Earth. But about 1% of neutron stars have even ...
Astronomy
Oct 20, 2026
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Hot plasma may explain how rapidly feeding black holes launch powerful jets
Some supermassive black holes rapidly consume surrounding matter while simultaneously firing powerful streams of plasma into space at nearly the speed of light. However, this creates a physical puzzle: rapid feeding is expected ...
Astronomy
Oct 20, 2026
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Rare solar radiation storm gives scientists clearest picture yet of flight risks
The most comprehensive data set ever collected from Earth's atmosphere during a solar radiation event has highlighted the importance of better-coordinated radiation monitoring for aviation safety, according to new research ...
Planetary Sciences
Oct 20, 2026
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Aurora supercomputer powers two of the largest cosmological simulations to date
Researchers at the U.S. Department of Energy's (DOE) Argonne National Laboratory have completed two of the largest cosmological simulations ever performed. Each simulation modeled the evolution of 13.4 trillion dark matter ...
Astronomy
Oct 20, 2026
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'Terror of kings': Why the 1066 appearance of Halley's Comet terrified the medieval world
A sequence on the Bayeux Tapestry shows King Harold alongside a crowd gazing at the sky, beneath the embroidered caption Isti mirant stella ("those people marvel at the star"). Above Harold sits Halley's Comet, with ghostlike ...
Astronomy
Oct 20, 2026
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Lucy mission marks 5 years of discoveries
On Oct. 16, 2021, NASA's Lucy spacecraft began its journey to the never-before-explored Jupiter Trojan asteroids with an early morning launch. Now less than a year away from the first-ever close-up of a Trojan, the Southwest ...
Space Exploration
Oct 20, 2026
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Near miss: Indonesia probes crash of suspected Chinese rocket fragment
Indonesian authorities were investigating Tuesday after a car-sized piece of debris, possibly from a Chinese rocket according to a government agency, crashed into a palm oil plantation near homes and work sites.
Space Exploration
Oct 20, 2026
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More news
Auroral structure could be caused by bouncing electrons
Planetary 'twins' Uranus and Neptune may have different origin stories
Euclid discovers its first new comet 810 million miles from Earth
Japan to launch world-first mission to moon of Mars
Enigmatic Mercury will remain a puzzle until someone sends a lander
Japan to launch historic round-trip mission to Mars moon
Japan's MMX mission aims to swipe soil samples from Mars's moon Phobos
Japan to launch spacecraft on a mission to get samples from a Martian moon
Simulations explore nuclear mitigation of asteroid threats
Other news
When a few people break the rules, bad behavior spreads quickly
Atomic memory keeps distant ions entangled for about 10 seconds
Hearing laughter may cause orangutans to value rewards more
Swiss barn owls are gradually changing color
X-ray free-electron laser sets new record for shortest high-energy pulses
NASA's Hubble spies spiral's edge
Lunar fault maps reveal how much the moon is shrinking
Rigorous analysis confirms NASA's Artemis II heat shield performance
NASA develops batteries to power humanity's return to moon
AI listens to bee buzzes to monitor activity without lethal traps
Electronic nose puts police detection dogs to the test
Chromosome anchors form hollow shells before cell division, imaging reveals
New optogenetic tool inhibits activity in neurons and heart muscle cells
