The solar system isn’t as flat as it seems. This video reveals the hidden 3D structure surrounding our planetary plane, from ...

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

The atmosphere is between 5 million and 10 million times thinner than Earth's atmosphere. A very small body, far from the sun ...

Rogue planets sound like rare travelers among the stars, freed from the gravitational constraints of a host system, left to ...

I watched Armageddon again fairly recently with Bruce Willis, oil drillers in space and an asteroid the size of Texas bearing ...

Astronomers have identified another object from this realm, with a diameter of roughly 310 miles (500 km), that has an atmosphere - albeit a thin one.

NASA’s James Webb Telescope captured the clearest view yet of a rocky exoplanet, revealing a scorching, airless world unlike ...

The finding offers fresh insight into our solar system’s farthest, coldest objects in a region known as the Kuiper Belt.

MIT astronomers using the James Webb Space Telescope have discovered that a rare "planetary odd couple", a hot Jupiter and a ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...

Epsilon Indi Ab was first discovered in 2002 and was officially confirmed to exist in 2018. It is considered an exoplanet, ...