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 ...

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

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

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

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.

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