One day, Betelgeuse will explode and the night sky will never look the same. This video reveals what we’ll witness when that ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here ...

A pair of lucky photographers snapped a stunning time-lapse shot of a fireball meteor streaking in front of Comet C/2025 R3 ...

The sun has certainly woken up! It has fired off not one but two powerful X2.5 solar flares within just 7 hours.

The Earth and moon are within view of NASA's Artemis 1 Orion spacecraft. The Earth is over 260,000 miles away (418,000 km) in ...

But the very heart of our planet remains a mystery. For many years, scientists believed that iron and nickel made up Earth’s ...

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side.

Astronauts report feeling profoundly awestruck when they go to space, an anthropologist reports. This experience shapes their ...

Lyrid meteors were photographed blazing through Earth's atmosphere on the nights surrounding the April 22 peak.

As the four astronauts on the 10-day Artemis II mission around the moon got their first clear glimpse of Earth, the view of their home planet in the distance stopped them in their tracks. They ...

The first images from Artemis II reveal what the moon looks like just 7,000 km from the surface—and confirm that NASA is ready to return to Earth’s satellite. NASA has finally released the first ...

Just before the Artemis II astronauts entered a planned 40-minute communications blackout as they flew behind the moon, they snapped images of "Earthset," the setting of Earth behind the lunar surface ...