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

Interstellar object 3I/ATLAS has triggered a global scientific alert after emitting mysterious radio signals, prompting NASA ...

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

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

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

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 ...

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

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

Here is a look at just a few of the biggest developments in astronomy that The Debrief has been tracking in 2025.

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

The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...