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

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

The 400,000-kilometre anti-tail of 3I/ATLAS is one of the most remarkable aspects that have ever been seen on an interstellar object. The particles in it are too large to be typical cometary dust, and ...

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

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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

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

NASA’s Hubble Space Telescope captured asteroids crashing into one another in a nearby planetary system around a star some 25 ...

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

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

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

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...