As NASA's New Horizons spacecraft traveled through the Kuiper Belt at a distance of more than 5.5 billion miles from Earth, an international team of astronomers used the far-flung probe to conduct an unprecedented experiment: ...
When NASA's DART spacecraft slammed into the asteroid moon Dimorphos in September 2022, it didn't just change the asteroid's orbit as intended—it unleashed a massive barrage of boulders that carried more than three times ...
Planetary Sciences
Jul 8, 2025
4
207
Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?
Planetary Sciences
Jul 5, 2025
0
59
Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system—only the third ever spotted, though scientists suspect many more may slip past unnoticed.
Astronomy
Jul 3, 2025
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209
Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system late on July 1, 2025.
Astronomy
Jul 6, 2025
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31
"Space ice" contains tiny crystals and is not a completely disordered material like liquid water, as previously assumed, according to a new study by scientists at UCL (University College London) and the University of Cambridge.
Astrobiology
Jul 7, 2025
0
147
A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held belief that planets ...
A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has two planets that orbit their star in a unique style, like an old-fashioned merry-go-round.
Astronomy
Jul 3, 2025
0
126
A 2.35-billion-year-old meteorite with a unique chemical signature, found in Africa in 2023, plugs a major gap in our understanding of the moon's volcanic history.
Planetary Sciences
Jul 8, 2025
0
54
Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a "rogue planet" drifting through space without a host ...
Astronomy
Jul 7, 2025
3
42
