Astronomy has changed significantly since then, and even Pluto has seen its status as a planet demoted to a mere dwarf planet. But what exactly is that? And what does it take for a planet to be put in ...

Experts claim the Sun's eventual expansion into a red giant will spell disaster for the Earth, possibly bringing about its ...

Scientists used the James Webb Space Telescope to check if another Earth-sized planet orbits Proxima Centauri, our nearest ...

Aging stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL and ...

Exoplanet scientists are eagerly awaiting the discovery of an atmosphere around a terrestrial exoplanet. Not a thin, tenuous, ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

A ravenous rogue planet has been caught eating 6 billion tonnes of gas and dust per second. This behaviour blurs the line between planets and stars, suggesting both can form in similar ways. Rogue ...