The theory of panspermia holds that life is spread through the cosmos via asteroids, comets, and other objects. When the building blocks of life emerge on one planet, impacts can eject surface material into space, which then ...
Astrobiology
Apr 6, 2026
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86
In Dante's "Divine Comedy," Hell is described as an "inferno" with nine concentric circles, the entrance of which has a sign that reads "Abandon all hope, ye who enter here." For the planets of the solar system, Venus is ...
Planetary Sciences
Apr 6, 2026
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35
Eyes are on the sky this week as four astronauts get the closest humans have been to the moon for more than 50 years on NASA's Artemis II mission. Join the millions of people looking up while it's on its way and we'll show ...
Astronomy
Apr 6, 2026
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25
A team of US astronomers has carried out one of the deepest analyses to date of a sample from the asteroid Bennu, revealing new details about how water and organic material interacted during the earliest stages of the solar ...
Designed to hunt for new alien worlds, NASA's Transiting Exoplanet Survey Satellite (TESS) has serendipitously observed the rising outburst of a black hole X-ray binary known as AT 2019wey. The observations, which may help ...
For some time, astronomers have theorized that there is a connection between planetary mass and rotation. In the solar system, Jupiter and Saturn both rotate rapidly, completing a rotation in roughly ten hours, while accounting ...
Planetary Sciences
Apr 5, 2026
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465
This image captured by U.S.-Indian Earth satellite NISAR on Nov. 10, 2025, shows Washington's Mount St. Helens. The image is cropped from a much larger swath spanning the Pacific Northwest on a cloudy day; NISAR's L-band ...
Planetary Sciences
Apr 5, 2026
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53
NASA is joining international partners to hunt for ice on the moon in support of future human exploration. The agency is providing a water-detecting instrument, the Neutron Spectrometer System (NSS), to the Lunar Polar Exploration ...
Space Exploration
Apr 4, 2026
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19
The interiors of ice giant planets like Uranus and Neptune could be home to a previously unknown state of matter, according to new computational simulations by Carnegie's Cong Liu and Ronald Cohen. Their work, published in ...
Planetary Sciences
Apr 3, 2026
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206
This month's NASA/ESA/CSA James Webb Space Telescope Picture of the Month offers us a two-for-one on brand new stars—with some potential planets thrown in as well. This visual highlights Webb's views of the protoplanetary ...
Planetary Sciences
Apr 3, 2026
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