A NASA long-duration balloon mission observed glowing blue clouds that ripple at the edge of Earth's atmosphere.
Japanese billionaire Yusaku Maezawa announced Sept. 17 that he has chosen to go to the moon in 2023 — and bring six to eight artists along for the ride.
If you watched the Cassini probe's spectacular dive into Saturn last September, you weren't alone — and now its media campaign has earned NASA an Emmy award.
SpaceX is prepared to loft a hefty communications satellite into orbit tonight (Sept. 9), attempting to land a Falcon 9 rocket's first stage on a drone ship at sea.
After a successful engine test-fire, SpaceX is on track for a Saturday night launch of the company's Falcon 9 rocket, which will carry a Telstar communications satellite.
New images from the Hubble Space Telescope show Saturn's ultraviolet auroras swirling at the planet's north pole in the months before and after the northern summer solstice.
In a new clip from the upcoming movie "UFO," releasing digitally and on DVD Sept. 4, characters discuss how aliens could use physical constants to navigate across space.
The six crewmembers on the International Space Station each have their own phone-booth-size sleeping cabin, but they all jammed into one for a fun photo op.
Before robotic probes can land on alien worlds far from human influence and perform other ambitious deep-space feats, their brains will need to level up.
NASA astronaut Ricky Arnold caught a spectacular view of Typhoon Soulik swirling toward southern Japan from his post on the International Space Station.
The Mendocino Complex Fire, the largest blaze in California's history, releases clouds of smoke in new photos from NASA, and fires blazing over Canada are visible from a million miles away in space.
"Ask a Spaceman" is live for the first time on Facebook — and astrophysicist Paul Sutter jumps right into it with a trip to Pluto.
The astrophysicist is in: In the new Facebook Watch series "Ask a Spaceman," pro explainer (and Space.com columnist) Paul Sutter answers your questions about the strangest corners of the universe.
"Killjoys" fans, rejoice: Your favorite trio of space bounty hunters is now reliving its adventures on the streaming app VRV.
The best meteor shower this year is here: The Perseids peak this weekend, promising dazzling views for skywatchers in dark areas.
Today (Aug. 3), NASA will announce the first astronauts who will fly in SpaceX and Boeing spacecraft for the agency's Commercial Crew Program.