Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's impression of the four space telescopes of the LIFE mission reflecting light towards ...

When two giant planets collide, an even bigger world may be born. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Based on new simulations, ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Conditions in the early universe might have enabled rocky planets with water to form much earlier than anticipated, potentially allowing life to begin sooner too. Astrophysicists studying the early ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

Simulation studies indicate water formation within the first 200 million years of the universe, primarily through supernovae from the first generation of stars. Pair-instability supernovae, occurring ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...