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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

That’s according to a re-examination of data captured by NASA’s Cassini spacecraft, which flew by Titan dozens of times ...

How can a comet from another star system have a tail pointing toward the Sun? This counter-intuitive phenomenon, observed for ...

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

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

When the solar system began to form, everything was chaos. A slew of rocky material was smashing together in a maelstrom that ...

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

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

ESA's advanced XMM-Newton telescope discovered a faint X-ray glow from the 3I/ATLAS comet. What is this mysterious light it ...

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

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 ...