Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST ...

This invisible boundary is known as the heliosphere. It's the endpoint beyond which our Sun does not have any reach or power.

By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...

A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA's Hubble Space Telescope could identify that ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...