Asteroid possibly as big as Empire State Building to zoom past Earth
Asteroid 2002 NN4 is estimated to be 820-1,870 feet in diameter and is expected to fly by Earth this weekend.
Space
Astronauts describe first ride aboard SpaceX Crew Dragon
SpaceX Crew Dragon astronauts say the ship is living up to high-tech expectations — but there was one rougher moment.
SpaceX Crew Dragon docks with space station after historic launch
The successful docking boosted the lab's crew to five and marked a major milestone for NASA.
SpaceX launches two NASA astronauts on historic mission
Astronauts launched to the International Space Station in a historic first for NASA and SpaceX.
SpaceX astronauts ready to try again, weather permitting
NASA and SpaceX vow safety is the top priority for first piloted launch to orbit from U.S. soil in nearly a decade
SpaceX launch still a beacon of hope for this engineer
"The world is going through this horrible situation," Itza Rodriguez said. "A lot of people are getting affected. But if you go down, it's OK. Get up and start all over again."
SpaceX Starship prototype explodes in engine test
The failure is not expected to have any impact on SpaceX's Crew Dragon launch plans this weekend.
SpaceX postpones historic launch due to weather
The next attempt to launch will be Saturday afternoon, after weather conditions forced a delay.
"It's tremendously exciting": Astronauts count down to historic launch
The first launch of astronauts from U.S. soil since 2011 marks a milestone for NASA — and private sector space travel.
Musk praises astronauts' "nerves of steel" ahead of historic launch
"I'm the chief engineer," Elon Musk said. "So I'd just like to say if it goes right, it's credit to the SpaceX-NASA team. If it goes wrong, it's my fault."
Astronauts prepare for historic orbital mission: "We're go for launch"
The U.S. is less than 24 hours from a series of firsts for the nation's space program: The first manned orbital mission in nearly a decade, and the first using a privately owned and operated spacecraft.
Weather outlook for SpaceX launch continues to improve
By Tuesday, the outlook had improved to 60% "go" for a launch Wednesday afternoon.
Astronomers discover rare "cosmic ring of fire"
The doughnut-shaped galaxy produces stars at a rate 50 times faster than the Milky Way.
SpaceX abort system promises extra safety for crew
SpaceX has developed an innovative abort system in case something goes wrong – and rescue crews will be standing by.
Weather improves for historic SpaceX astronaut launch
After heavy rain Monday, the forecast has improved for Wednesday's launch of American astronauts Robert Behnken and Douglas Hurley aboard a Crew Dragon spacecraft.
At least 4 dead as Isaias brings threat of floods across the Southeast
At least 12 killed, more than 300 hurt in strike on Saudi airport, officials say
DOJ investigating TV networks over suspension of press pool after Trump media ban
Christa Pike released from hospital following botched execution, lawyers say
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