After more than two years circling a lumpy space rock called Bennu, it's finally time for NASA's OSIRIS-REx spacecraft to head back to Earth with a full load precious cargo: pieces of an asteroid.
Astronomers have long struggled to pin down how long a day lasts on Venus, but new research suggests the difficulty stems not from flawed measurements but from real variations in the planet's spin.
The Hope Mars mission is the United Arab Emirates' first interplanetary spacecraft and will study the Red Planet's atmosphere.
A SpaceX Dragon capsule returned four astronauts to Earth early Sunday (May 2) in the first nighttime splashdown of a NASA crew since Apollo 8 in 1968.
More than a year into a very real crisis, experts gathered virtually to confront a second emergency, a potential asteroid impact — but this disaster, fortunately, was entirely hypothetical.
With three crewed launches under its belt, SpaceX has now flown astronauts representing not only NASA, but also the European and Japanese space agencies. But there's a glaring absence: Russia.
After six months in orbit, the four astronauts who make up the SpaceX Crew-1 mission are ready to head home.
Scientists using the Hubble Space Telescope unveiled a stunning new image of a fast-burning star to celebrate the iconic observatory's 31st anniversary.
Earth's poles are moving — and that's normal. But new research suggests that within just decades, climate change and human water use have given the poles' wandering an additional nudge.
NASA's Mars helicopter Ingenuity really kicked up some dust during its historic first flight on the Red Planet, which took place on Monday (April 19).
NASA's Mars helicopter Ingenuity has made its historic first Red Planet flight — and the photos are unbelievable.
NASA's experimental Mars helicopter Ingenuity nailed a crucial spin test after the first try ended abruptly, delaying the chopper's groundbreaking flight attempt.
Scientists have uncovered more details about perhaps the most famous repeating fast radio burst, a mysterious phenomenon astronomers cannot yet explain.
Russia is revisiting its Soviet space heritage for a new series of missions that will take the nation back to the moon.
A newly spotted asteroid about the size of a car flew harmlessly past Earth this morning (April 12).
When cosmonaut Yuri Gagarin became the first human to fly in space, he also became an instant celebrity, a diplomatic icon of the Soviet Union around the world.
NASA has delayed the first flight of its Mars helicopter Ingenuity after the vehicle's last test ended earlier than planned.
More than two months after taking office, President Joe Biden has offered a first look at his budget priorities, and the signs for NASA are generally promising.
NASA's Mars helicopter Ingenuity is warming up its rotor blades as the team's engineers undertake final preparations for the first-ever flight on the Red Planet, scheduled for Sunday (April 11).
The Mars helicopter Ingenuity has unlocked its two rotor blades as preparations continue for the vehicle's first flight, due to occur no earlier than Sunday (April 11).
NASA and SpaceX have announced that the pair's autumn mission to send four astronauts to the International Space Station will launch no earlier than Oct. 23.