From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Hubble spots the largest known planet forming disk, chaotic and lopsided, hiding a young star 1,000 light years away, raising ...

A disk 40 times the diameter of our solar system has been discovered by the Hubble Telescope, which is likely an image of ...

A surprising new theory claims Earth’s building blocks were supernova ice, not stardust. This could change everything.

Hubble Space Telescope data reveal that two large collisions near the star Fomalhaut created dust clouds once mistaken for a planet, helping scientists better understand how planetary systems form ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

NASA’s Hubble Space Telescope has spotted the biggest planet-forming disk ever discovered. The finding reveals violent chaos ...