Mysterious objects found orbiting supermassive black hole: study
Are they just gas, or are they stars? Astronomers now believe the unusual objects may be a hybrid of both.
Space
Second all-female spacewalk devoted to space station battery replacements
NASA resumes battery replacement work aboard the International Space Station with the second all-female spacewalk.
Ex-Navy SEAL is NASA's first Korean-American astronaut
Kim is a first-generation Korean-American whose parents came to the U.S. in the 1980s to provide a better life for their children.
Teen discovers rare new planet 3 days into NASA internship
NASA's planet hunter satellite TESS has discovered an exoplanet orbiting two stars instead of one — and it was identified by a high school intern.
SpaceX's latest launch seeks to address astronomers' concerns
The launch boosts the number of Starlink internet relay satellites to 180 as SpaceX builds a vast constellation.
NASA astronaut Christina Koch sets a new record in space
Christina Koch passes Peggy Whitson's 288-day mark on Saturday to set a new record for longest single space flight by a female astronaut.
Final solar eclipse of the decade will create a "ring of fire"
The annular solar eclipse will be a Christmas spectacular.
Boeing Starliner won't dock with space station after glitch
The Starliner will attempt an automated landing Sunday at White Sands, New Mexico.
Boeing Starliner makes first launch, but hits snag
The unpiloted test flight could lay the groundwork for Boeing to launch a crew to the space station in 2020.
NASA's Mars 2020 rover completes its first test drive
"The next time the Mars 2020 rover drives, it will be rolling over Martian soil," NASA said.
Boeing Starliner ready for historic test flight
NASA hopes to end reliance on Russian Soyuz ferry ships and transport astronauts on U.S. crew capsules.
SpaceX launches Falcon 9 with communications satellite
The new satellite will provide high-speed commercial and government communications across the Asia-Pacific region.
Giant cyclone the size of Texas discovered on Jupiter
"These cyclones are new weather phenomena that have not been seen or predicted before," said Cheng Li, a Juno scientist.
Boeing cleared for Starliner test flight to space station
The unpiloted test flight will help clear the way for astronaut launches from U.S. soil in 2020.
NASA picks site near "Mount Doom" to collect asteroid sample
The winning site offers the best balance between risk and science reward, researchers say.
live updates
Charlie Kirk shot and killed at Utah event; "manhunt" for shooter ongoing
Conservative activist and Turning Point USA co-founder Charlie Kirk died Wednesday after he was shot at an event at Utah Valley University.
Charlie Kirk, influential voice for young conservatives, killed at 31
Charlie Kirk died Wednesday after he was shot in the neck while speaking at an event at Utah Valley University.
Politics, retribution behind FBI purge, agents allege in new lawsuit
A new lawsuit filed by fired FBI agents says the bureau "tried to put the President in jail and he hasn't forgotten it."
Harris: Biden 2024 decision shouldn't have been "left to an individual's ego"
Former Vice President Kamala Harris' book, "107 Days," will detail her sprint of a race for the presidency.
2 students wounded in shooting at Colorado high school; suspect dead
Authorities said a male student opened fire with a handgun Wednesday at Evergreen High School, wounding two students, before fatally shooting himself, according to authorities.
House votes to repeal Iraq war authorizations
It's unclear if the repeal will end up in the final version of the National Defense Authorization Act, which still has to get through the Senate.
Mars rover uncovers strongest hints yet of potential signs of ancient life
NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life.
Elon Musk is no longer the world's richest person, new ranking says
Oracle co-founder Larry Ellison took the title of world's richest person from Elon Musk after stock in the software giant shot up on Wednesday.
New details emerge about turbulence that injured 18 on Delta flight
Passengers endured 2.5 minutes of turbulence that caught the pilots by surprise even though they had already altered their route to avoid the storms, the NTSB said.