Astronaut Don Pettit took this stunning photo of a nearby comet from the International Space Station ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

On the east coast of Australia, in tropical North Queensland, lies the Daintree rainforest—a place where the density of trees ...

NASA astronaut John W. Young, commander of the Apollo 16 mission, took a far-ultraviolet photo of Earth with an ultraviolet ...

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

A 2023 satellite image captured a pair of peculiar phenomena painting parallel swirls in the sea and sky around Norway's Bear ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

G3 (ATLAS) should be visible from the southern hemisphere, and possibly also the northern hemisphere, over the next few days ...

Maha Kumbh, the largest gathering of people anywhere on Earth, is expected to draw more than 400 million devotees to India’s ...

This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon ...

A new high-resolution computer model shows rocks that are colder, or have a different composition, in Earth's mantle where ...

From these indirect observations, scientists have calculated that the scorchingly hot inner core, with temperatures ...