A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

When Voyager 2 performed the first and only close flyby of Uranus in 1986, scientists were left scratching their heads. Now, ...

The twin spacecraft of NASA's TRACERS (Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites) mission were ...

Here is NASA’s quick guide with tips and tricks for helping you ... the Sun releases charged particles that speed across the ...

Newly released images from NASA's Juno spacecraft provide an unprecedented look at Jupiter, revealing stunning details of the ...

Scientists have found that a "rare intense wind event" during NASA's Voyager 2 flyby of Uranus in 1986 may have messed with ...

Jonny Kim—a former Navy SEAL and ER doctor—is now a NASA astronaut who will soon launch to the International Space Station as ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

Vega provided the first telescopic evidence of a disk of planet-forming material, but there are no planets to be found around ...