New simulations suggest sub-Neptune planets may be drier than thought, challenging the "water world" hypothesis and reshaping ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

“Interstellar objects may be able to jump start planet formation, in particular around higher-mass stars,” Pfalzner said in a ...

The universe is a slow-changing place. While it's mostly true that the heavens and the deep-sky objects in it will look ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

For years, astronomers have been excited about the idea that some planets beyond our solar system might be covered by vast, ...

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

Take an inside look at NGC 7456, a spiral galaxy that showcases energetic light, dark dust lanes, and the beauty of newborn ...

Telescopes on the National Mall tonight will give people a chance to see the stars and experience the largest astronomy outreach event in the United States.

New simulations suggest Earthlike planets may be much more typical than previously thought whereas water worlds may not.

Astronomers using NASA’s Hubble Space Telescope have witnessed a rare cosmic meal: a white dwarf star consuming pieces of a ...