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

At more than 400 feet tall, SpaceX's Starship spacecraft has earned the title as the world's largest rocket. Here's how it compares to others.

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

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...

For Willie Shubert, journalism is a kind of cartography. “I studied geography,” he says. Mapmaking taught him how to see the ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

A team of astronomers took an actual photo of the first-known baby planet discovered in a gap of a star's protoplanetary disk.

A recent study introduces the idea of Planet Y, a theoretical world that could explain strange gravitational behavior beyond ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

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

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