In 2020, astronomers identified a nearby star system that appeared to contain something phenomenal: the closest black hole to ...

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

January is the best time of the year to see the Great Orion Nebula as it climbs high overhead in the winter sky. Look to the ...

A group of about 1,000 stars known as the beehive cluster is swarming a sky near you. Here's when and how to see them.

The Beehive Cluster, a group of about 1,000 stars, will be visible to skywatchers throughout January. Here's how to see it in ...

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...