Betelgeuse's weird recent dimming was caused by starspots that temporarily covered at least half of the red supergiant's surface, a new study suggests.
Space Perspective aims to send paying customers and payloads to the stratosphere in its Spaceship Neptune, a balloon-borne capsule that's scheduled to make its first test flights early next year.
Europe's Trace Gas Orbiter spotted an emerald glow in Mars' wispy atmosphere, marking the first time the phenomenon has been spotted on a world beyond Earth.
Astronomers have discovered an activity cycle in another fast radio burst, potentially unearthing a significant clue about these mysterious deep-space phenomena.
The first stage of the Falcon 9 rocket that launched SpaceX's Demo-2 mission arrived in Port Canaveral, Florida, on Tuesday (June 2).
Friday morning, our star fired off its strongest flare since October 2017, an eruption spotted by NASA's sun-watching Solar Dynamics Observatory.
If you're frustrated that you now have to wait until Saturday (May 30) to see SpaceX's first crewed launch, you can blame Mother Nature and orbital mechanics.
SpaceX's first-ever crewed mission, a test flight called Demo-2, is scheduled to launch at 4:33 p.m. EDT today (May 27) from NASA's Kennedy Space Center in Florida.
Russia launched a military satellite to orbit on Friday (May 22), and the mission generated plenty of drama in the downward direction as well.
New imagery pinpoints the spot where a baby planet is forming around the young star AB Aurigae, which lies 520 light-years from Earth.
Appropriately enough, the name of Elon Musk's newborn son contains a tribute to pioneering aerospace tech.
The sixth X-37B mission is scheduled to lift off from Florida's Cape Canaveral Air Force Station May 16, Space Force officials announced Wednesday (May 6).
The Arecibo Observatory in Puerto Rico captured a radar image of 1998 OR2, which will zoom within 3.9 million miles (6.3 million kilometers) of our planet on April 29.
SpaceX's Starlink internet satellites will soon sport an accessory to tamp down their surprising brightness.
A prototype ventilator built in just 37 days by engineers at NASA's Jet Propulsion Laboratory passed a key test this week at the Icahn School of Medicine at Mount Sinai in New York City.
A mammoth star explosion known as SN2016aps, which occurred in a galaxy about 3.6 billion light-years from Earth, is the brightest supernova ever seen, a new study reports.
The mysterious interstellar object 'Oumuamua is probably a fragment of a larger body that was torn apart by gravitational forces during a close flyby of its native star, a new study suggests.
SpaceX and Tesla engineers are set to make a big contribution to the coronavirus fight, just a week after Elon Musk offered to help.