"These ultra-low density planets are rare and they defy conventional understanding of how gas giants form, and if explaining how one formed wasn't difficult enough, this system has three!" ...

Although brown dwarfs and giant gas planets are very similar, making differentiation difficult. Now, a crucial difference has likely been found.

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

Learn more about L 98‑59 d, an exoplanet 35 light‑years away with a deep global magma ocean ...

Billions of years from now, the Sun will become a red giant. And then, it will slowly die. That’s right. It’s the end of the ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...

A hazy, ultra-light “super-puff” planet, Kepler-51d, is hiding its secrets and challenging how scientists understand planet formation.

Kepler-51d is the coolest and least dense of the planets in this planetary system. “We think the three inner planets orbiting ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a ...