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

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

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

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

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 ...

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 Yale study reveals that elevated marine iodine concentrations disrupted the stabilization of Earth’s ozone layer, delaying ...

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

Three-million-year-old tools found in Kenya reveal early humans' ability to cut food, butcher meat, and adapt to new diets.