Nancy Pelosi made her post-surgery return to Congress without her signature stilettos—which she switched out for a sensible ...

You missed it because of the clouds. The Quadrantids meteor shower is at its peak. Again, clouds. So what CAN we show you?

This NASA/ESA Hubble Space Telescope Picture of the Week features the galaxy LEDA 22057, which is located about 650 million ...

A NASA X-ray imager is heading to the moon as part of NASA's Artemis campaign, where it will capture the first global images of the magnetic field that shields Earth from solar radiation.

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over from ancient volcanic eruptions, and may be protecting signs of life — if there ever was life on Mars ...

Satellite imagery has revealed the dramatic extent of an eruption that kicked off just before Christmas, with fountains pouring lava across hundreds of acres.