Take a moment to breathe in the air around you and really appreciate it, because all that oxygen-rich air will only be around ...

A thick atmosphere has been detected around a planet that's twice as big as Earth in a nearby solar system, researchers reported Wednesday. The so-called super Earth — known as 55 Cancri e — is among ...

Researchers have detected a thick atmosphere around a planet called 55 Cancri e, which is twice as big as Earth and classified as a super Earth. The atmosphere of 55 Cancri e consists of carbon ...

This illustration provided by NASA in 2017 depicts the planet 55 Cancri e, right, orbiting its star. A thick atmosphere has been detected around the planet that’s twice as big as Earth in a solar ...

Our Earth is about 4.5 billion years old and, through careful work, scientists have pieced together a timeline of its past. But much of its earliest history remains a mystery. Scant geological ...

JWST observations of exoplanet TRAPPIST-1d reveal a lack of a substantial, Earth-like atmosphere, as indicated by a "flat" spectral signature lacking typical atmospheric molecule fingerprints (e.g., ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's ...