SpaceX brings 4 astronauts home with midnight splashdown
The return of three Americans and one German marks the busiest period yet for Elon Musk's space taxi service.
Space
NASA is bringing rocks back from Mars, but what if those samples contain alien life?
NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.
Canadian lawmakers pass amendment allowing prosecution of crimes on the moon
Canada partnered with the U.S. to create the Lunar Gateway space station. It will prep for missions to Mars. While crime isn't common in space, they'll be ready if it does happen once in a blue moon.
Jessica Watkins to be the 1st Black woman to serve at the International Space Station
On Wednesday, SpaceX launches the next NASA astronauts to the International Space Station — including Jessica Watkins, who is to become the first Black woman on a long-duration mission.
If you could speak on Mars, how would you sound?
NASA has created an online tool that lets users hear how their voices would sound on Mars. Data collected by a NASA rover can replicate how people would sound on Mars compared to Earth.
NASA advisers call for a visit to Uranus, plus more science during moon landings
NASA should send probes to the ice giant planet of Uranus and to a moon of Saturn where conditions could be right for life. Those are some of the recommendations in a new report to the space agency.
NASA sent a doctor to International Space Station as a hologram
Dr. Josef Schmid's hologram talked to the crew and looked around. He called it "a new way of human exploration."
3 Chinese astronauts return to Earth after 6 months in space
The astronauts landed in the Gobi desert after six months aboard their country's newest orbital station. During the mission, astronaut Wang Yaping carried out the first spacewalk by a Chinese woman.
The first known interstellar meteor hit Earth in 2014, U.S. officials say
The meteor crash-landed off the coast of Papua New Guinea in January 2014.
The Hubble telescope confirms the largest comet nucleus ever seen by astronomers
The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.