A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

Astronomers spotted a young planet, WISPIT 2b, forming within a dusty ring around its star system, offering clues about the ...

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

Astronomers have discovered a distant dwarf planet orbiting beyond Neptune — a frozen world so far from the Sun that it ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

The celestial body is the youngest transiting planet found to date. Madyson Barber, a grad student at the University of North Carolina at Chapel Hill, was researching young transiting systems in space ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...

Today, astronomers have at least a dozen techniques to seek and detect planets orbiting other stars, and have turned up thousands. But 51 Peg will always be special since it was our first. Not only ...

There is a dwarf planet out in the Kuiper Belt that has been named Quaoar, and it tends to get more attention than would ...