NASA’s ICESat-2 has hit an incredible milestone: 2 trillion laser shots fired from orbit! This Earth-monitoring marvel has ...

This NASA/ESA Hubble Space Telescope reveals clouds of gas and dust near the Tarantula Nebula, located in the Large Magellanic Cloud about 160,000 light-years away. ESA/Hubble & NASA, C.

Instead, a thick blanket of clouds kept the sky in shades of gray. But while we couldn’t see the sun from the ground, satellites peering down from space captured something remarkable—dark ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Clouds are one of the most intriguing and complex aspects of Earth's atmosphere. They can cool the planet by reflecting sunlight back into space, or they can warm it by trapping heat. This dual ...

If you didn't see the light through the clouds, the only proof a rocket had launched was the low rumble heard throughout the ...

A modest NASA space telescope with grand ambitions will soon launch into an orbit around Earth. Here's why scientists are excited about it.