Earth has a group of cosmic stalkers. Known as "co-orbitals," these small bits of rock have a 1:1 mean motion resonance with Earth. Basically, they take the exact same amount of time to orbit the sun as we do. Astronomers ...
Planetary Sciences
May 18, 2026
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Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results. "We ...
Astrobiology
May 21, 2026
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A discovery by a South Korean research team suggests that impact-generated lakes may have fostered early oxygen-producing life. A team of South Korean scientists has uncovered new evidence that could help explain how Earth's ...
Astrobiology
May 20, 2026
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NASA's Perseverance Mars rover used its Mastcam-Z camera to capture this panorama of an area nicknamed "Arbot" on April 5, 2026, the 1,882nd Martian day (sol) of the mission, during the rover's deepest push west beyond Jezero ...
Planetary Sciences
May 18, 2026
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A joint European-Chinese spacecraft blasted into orbit Tuesday to investigate what happens when extreme winds and giant explosions of plasma shot out from the sun slam into Earth's magnetic shield.
Planetary Sciences
May 19, 2026
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30
Bizarre Venus surface formations (or coronae) are likely key to understanding our twin planet's heretofore inscrutable interior. Using NASA Magellan spacecraft data from decades past, Anna Gulcher, an Earth and planetary ...
Planetary Sciences
May 18, 2026
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On May 21, ground controllers powered down NASA's AWE (Atmospheric Waves Experiment) instrument, bringing the data collection phase of the mission to a successful and scheduled end, surpassing its planned two-year mission.
Planetary Sciences
May 21, 2026
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25
Asteroid mining seems simple in theory. A spacecraft flies up to a giant rock in space, scoops out some material, and either processes it on site or returns it back to a huge central processing facility. But in practice, ...
Space Exploration
May 19, 2026
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24
Sand clouds form every morning but clear up by nightfall on WASP-94A b, a well-studied gas giant in a constellation located nearly 700 light years away from Earth. Using data from the James Webb Space Telescope (JWST), research ...
Astronomy
May 21, 2026
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24
Captured by the multispectral imager instrument on NASA's Psyche mission, this is an enhanced-color view of the large double-ring crater Huygens (upper right; about 290 miles, or 470 kilometers, in diameter) and the surrounding ...
Space Exploration
May 20, 2026
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