The universe

The quadruple eruption was captured by NASA's Solar Dynamics Observatory.

How Pluto's Sputnik Planitia formed remains unknown, but researchers have imagined a body about the size of Switzerland crashing into Pluto at a shallow angle.

Astronomers have mapped a 20,000-light-year-long fountain of gas blasting from a nearby galaxy and polluting intergalactic space at 450 times the top speed of a jet fighter.

Combining AI and observations of the Milky Way's supermassive black hole, scientists have reconstructed a 3D video of Sagittarius A* and its environment.

To commemorate Earth Day, enjoy these 12 NOAA satellite images that showcase the different ways this critical technology helps scientists keep an eye on our planet.

Satellites are tracking in real time as multiple major coral reefs around the world get paler due to warming sea temperatures in the fourth-ever global bleaching event.

For Earth Day this year, the Google doodle is highlighting areas of our planet it sees itself in.

Six newly selected NASA airborne campaigns will focus on a range of studies focusing on Earth and its changing climate.

Space mysteries The Apollo program put humans on the moon in 1969. So why haven't we sent any more since?