SpaceX brought four astronauts home with a midnight splashdown in the Gulf of Mexico on Friday, capping the busiest month yet for Elon Musk's taxi service.

The three U.S. astronauts and one German in the capsule were bobbing off the Florida coast, near Tampa, less than 24 hours after leaving the International Space Station. NASA expected to have them back in Houston later in the morning.

The United Arab Emirates announced Friday it will send an astronaut on a six-month mission to space, as it seeks to become a major player in the industry.

Two of naturalist Charles Darwin's notebooks that were reported stolen from Cambridge University's library have been returned, two decades after they disappeared.

The university said Tuesday that the manuscripts were left in the library inside a pink gift bag, along with a note wishing the librarian a Happy Easter.

A NASA astronaut caught a Russian ride back to Earth on Wednesday after a U.S. record 355 days at the International Space Station, returning with two cosmonauts to a world torn apart by war.

Mark Vande Hei landed in a Soyuz capsule in Kazakhstan alongside the Russian Space Agency's Anton Shkaplerov and Pyotr Dubrov, who also spent the past year in space.

To administer this COVID test, Todd Kautz had to lay on his belly in the snow and worm his upper body into the narrow den of a hibernating black bear. Training a light on its snout, Kautz carefully slipped a long cotton swab into the bear's nostrils five times.

For postdoctoral researcher Kautz and a team of other wildlife experts, tracking the coronavirus means freezing temperatures, icy roads, trudging through deep snow and getting uncomfortably close to potentially dangerous wildlife.

Nearly 7,000 Russian scientists, mathematicians and academics had as of Thursday signed an open letter addressed to President Vladimir Putin "strongly" protesting against his war in Ukraine.

The moon is about to get walloped by 3 tons of space junk, a punch that will carve out a crater that could fit several semitractor-trailers.

The leftover rocket will smash into the far side of the moon at 5,800 mph (9,300 kph) on Friday, away from telescopes' prying eyes. It may take weeks, even months, to confirm the impact through satellite images.

The Apollo 16 capsule is dusty all these decades after it carried three astronauts to the moon. Cobwebs cling to the spacecraft. Business cards, a pencil, money, a spoon and even a tube of lip balm litter the floor of the giant case that protects the space antique in a museum.

The COVID-19 pandemic meant a break in the normal routine of cleaning the ship's display at the U.S. Space and Rocket Center, located near NASA's Marshall Space Flight Center. But workers are sprucing up the spacecraft for the 50th anniversary of its April 1972 flight.

Toyota is working with Japan's space agency on a vehicle to explore the lunar surface, with ambitions to help people live on the moon by 2040 and then go live on Mars, company officials said Friday.

The vehicle being developed with the Japan Aerospace Exploration Agency is called Lunar Cruiser, whose name pays homage to the Toyota Land Cruiser sport utility vehicle. Its launch is set for the late 2020's.

Tonga's volcanic eruption felt like an "atomic bomb" that shook "the whole island", an aid worker told AFP on Friday, as the Pacific nation raced to address a drinking water shortage.