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 ...

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

In 2025, astronomers uncovered more than 100 new moons orbiting planets in our solar system, an exciting discovery that could ...

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

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

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

From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when ...

Sometimes there are storms where the wind gets really strong, it might rain, or there might be thunder and lightning. Did you ...

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

Comet 3I/ATLAS' CO₂-rich coma offers new clues about distant star systems, revealed through NASA and ESA ultraviolet, X-ray, ...

A Harvard University astrophysicist has ignited intense debate after saying he cannot rule out the possibility that ...