A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

Astronauts aboard the International Space Station (ISS) often share breathtaking views of Earth, but one recent photograph ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

Multiple eruptions from the Sun will create possible displays of Northern Lights in the U.S. this week, with ongoing impacts ...

The Orionids — one of two major meteor showers caused by remnants from Halley’s comet — will peak with the arrival of a new ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

As Earth passes through the densest part of debris from the famed Halley's comet, the Orionid meteor shower will hit its annual late-October peak.

The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...

See Comet Lemmon shine in the skies over England in a new sunset portrait. Award-winning astrophotographer Josh Dury has ...

Another geomagnetic storm will expand visibility of the aurora borealis. Here's how the celestial phenomenon works and where ...

Residents of northern U.S. states could have the opportunity to see the northern lights tonight. Here's what to know about ...

Researchers at Chalmers University of Technology in Sweden and the US space agency NASA have made an unexpected discovery ...