The newest, and final, version of SpaceX's Falcon 9 rocket debuted today (May 11) with a picture-perfect satellite launch — and the booster's first stage aced its landing as well.
The private spaceflight company SpaceX has become a powerhouse of reusable rockets and new crewed spaceships. See the evolution of the company's Falcon rocket family and future spaceships for astronauts in pictures here.
A pair of astronomers has mapped the 3D structure of an interstellar cloud in a surprising way: They watched it "sing" with magnetic vibrations.
In his first major address as NASA administrator, Jim Bridenstine defended the new NASA directive to go to the moon first before voyaging to Mars, but offered no new initiatives to reach the Red Planet.
Astronomers have spotted a carbon-rich asteroid in the icy region beyond Neptune called the Kuiper Belt — the first such asteroid ever found to be exiled from the inner solar system.
For centuries, humans have wondered, Are we alone? and What is the universe made of? Scientists will tackle these exact questions in two documentaries, part of the new, six-episode PBS series "Nova Wonders."
There actually is quite a bit of evidence out there for a multiverse — an infinite number of other universes besides our own.
A mysterious "companion" that may be a newborn alien planet has been spotted zooming through space along with two young stars, a new study reports.
NASA shut down the public voting phase of a student science competition after internet trolls tried to influence the vote, according to The Washington Post.
SpaceX founder Elon Musk is dating musician Grimes, apparently because of a shared love of nerdy puns.
When our sun finally goes out, what will it look like?
An aerospace executive and NASA director who helped lead rocket engine development for the Saturn V booster and space shuttle is being memorialized with the christening of a commercial cargo spacecraft.
In Season 3 of Syfy's "The Expanse," the crew of the Rocinante are stuck amidst Earth, Mars, the asteroid belt, and a mysterious and dangerous "protomolecule" whose true purpose is unclear.
Meet Hiuni, a shiny new "smart telescope" that takes all the work out of amateur astronomy.
For Teacher Appreciation Week, NASA is thanking teachers and inspiring students to study STEM.
This Mother's Day, get the space-loving moms in your life something out of this world! From planetary bling to star-speckled garbs, here are the best gifts for astro-moms.
NASA's newly appointed administrator, Jim Bridenstine, will make a major speech at the Humans to Mars summit in Washington, DC, which takes place today (May 8) through Thursday (May 10). Watch the entire webcast live here at Space.com.
New digital instruments at the CSIRO Parkes radio telescope site will allow scientists to survey larger areas of the Milky Way and better distinguish signals of interest in an attempt to identify intelligent extraterrestrial life.
The first humanoid robot in space splashed down on Earth 57 years to the day after the first U.S. astronaut did the same.
While flat Earthers seem to trust and support scientific methods, they don't trust scientists.