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 ...

New observational data from the James Webb Space Telescope and simulation models have confirmed a new type of planet unlike ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

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 ...

A new analysis of marsquakes measured by NASA’s InSight lander indicates Mars has a solid inner core – but other researchers ...

These fragments of our surface do have a tendency to sink into Earth's mantle when they lose out in the plate-on-plate ...

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 ...