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Private companies like SpaceX and Boeing have started to take the lead in humankind's march into space.
Earth is screaming through space at 1.3 million mph. A simple animation by a former NASA scientist shows what that looks like.
Earth orbits the sun, which orbits the center of the Milky Way galaxy, which is itself barreling through space.
A NASA image shows the center of our galaxy in unprecedented detail. Expect far more revealing photos from a soon-to-launch telescope.
NASA's upcoming James Webb Space Telescope will bring "the highest-quality image ever obtained of the galactic center," one researcher said.
A huge explosion sliced through our galaxy just 3.5 million years ago, as human ancestors walked the Earth. Scientists think it was nuclear activity i...
NASA's Hubble telescope found traces of the explosion in a gas stream beyond the Milky Way, "dramatically" changing scientists' view of our galaxy.
Astronauts just printed meat in space for the first time — and it could change the way we grow food on Earth
A spacecraft with vials of cow cells landed at the International Space Station in September. From there, cosmonauts fed the vials into a 3D printer.
Saturn now has more moons than any other planet in our solar system. You can suggest names for 20 newly discovered moons in a Twitter contest.
Warp speeds in ‘Star Trek’ are achingly slow, and a simple animation by a former NASA scientist proves it
The animation shows how long it takes the starship Enterprise in "Star Trek" to reach Pluto at warp factors that break the known laws of physics.
A giant elevator could connect Earth to space using current technology, experts say — here’s how that might work
A space elevator could make it easier, cheaper, and more sustainable to transport cargo and people from the surface of Earth or the moon to space.
A Japanese observatory is joining Earth's most powerful experiment to detect ripples in spacetime, helping make more detections with greater accuracy.
People who grew up in the 20th century are probably familiar with space-themed products that capitalized on America's space fervor.