The 2017 total solar eclipse is special. Unlike 1918, we now have the technology to study its entire journey over the U.S.
Researchers suggest our galaxy acquired matter via intergalactic transfer.
NASA's vapor tracer launch helps scientists better understand the Earth's atmosphere.
The finding will help scientists understand how the planet formed.
We have a long tradition of discovering cosmic features we weren't looking for in the first place.
A binary star system about 1,800 light years away could violently merge, and we might be able to see the show here on Earth.
Ring galaxies are already a 1-in-1,000 occurrence. You're even less likely to find one with another dim ring inside.
Most frozen water on the unshielded asteroid Ceres evaporates away thanks to the sun, but some craters don't get any sun.
Gravitational quirks can cause star-forming clouds to condense into pairs and groups of stars.
The Milky Way is bright and dusty, and we're stuck looking at it from the inside.
Jupiter's biggest storm is so energetic, its noise alone helps raise the temperature of the atmosphere to an extreme.
There's a lot we don't know about Jupiter, but we do know it's not about to ignite.