A rare meteorite found in the Sahara Desert is pointing to the existence of a large rocky world that once orbited the Sun, ...

A triple star system in which the stars all eclipse one another from our vantage point is standing out as one of the best ...

NASA's new chief wants to reinstate Pluto as a planet. And scientists are on board – as long as you're also okay with having ...

Astronomers have found some of the strongest evidence yet that stars can swallow their own planets. A new study, published in ...

A new Keck Observatory study indicates that giant planets can spin faster than more massive brown dwarfs, revealing important ...

In their study, the astronomers found that a supermassive black hole’s outer disk and torus could foster this cumulative ...

There’s been a fierce debate over the past two decades about the status of the distant icy world of Pluto after it was contentiously stripped of its planethood and reclassified as a dwarf planet. Nasa ...

Swipe Down for Full Video Story Most of us learned that the Solar System has eight planets. For many years, Pluto made it ...

An artist's illustration depicts the exoplanet LHS 3844b. (NASA/JPL-Caltech/R. Hurt (IPAC)) The James Webb Space Telescope ...

Somewhere around 50 light-years from Earth, a dim red dwarf star called LHS 1903 hosts four planets arranged in an order that ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s multibillion-year history.

A bright ring of dust circling a young star can look calm from far away. In reality, it may mark one of the messiest moments ...