The interstellar object 3I/ATLAS has ignited debate on whether it's a rare comet from a distant star or an alien probe.

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Scientists at Durham University are helping to develop a new type of camera intended to help search for life on distant planets. Researchers there are part of a UK team designing a high-resolution ...

Hubble’s new detection shows a planet circling a star in one of the most unlikely environments ever recorded. The readings suggest a world surviving conditions that should have destroyed it long ago.