The biggest rainbow in the solar system was just captured by newly-launched spacecraft as NASA scientists study the sun and ...

The newly found cloud, named Eos after the Greek goddess of dawn, is one of the largest known structures in the sky and one ...

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

Astronomers have discovered a massive hydrogen cloud, known as Eos, shining brightly in ultraviolet light near our solar ...

NASA has shared the first closeup images of the Donaldjohanson asteroid, captured by its Lucy spacecraft on a recent flyby around 139 million miles (223 million km) from Earth.

What makes the discovery stand out, researchers say, is how it was made: by detecting the cloud’s faint glow in far-ultraviolet light ... a gas-filled cavity in space that surrounds the solar system.

Scientists directed NASA’s Perseverance rover to take an image of the Martian sky after a solar storm in hopes that an aurora ...

Mars doesn't have an organized planetary magnetic field like Earth, so auroras can appear anywhere in the sky. Now there's a photo of one.

HR 8799, being a multiplanet system, has long been of ... allowing us to see the faint glow of orbiting planets. It’s like ...

Eos became visible as hydrogen molecules within it emitted a faint glow in the far ultraviolet ... a large cavity in space surrounding our solar system. Scientists estimate Eos spans roughly ...