The latest science news, photos and videos covering space, the environment, human development and more.
In case you missed it
Jeff Bezos offers to cover $2 billion in NASA costs for lunar lander contract
Video catches fiery meteor shooting across the night sky over Texas
The FAA just updated its definition of 'astronaut.' These two billionaires don't qualify.
Bird brain: Why a cockatoo trick in Australia has scientists enthralled
Should you be worried about Covid if you're vaccinated? Experts explain breakthrough cases
In the frugal last meal of a man 2,400 years ago, scientists see signs of human sacrifice
'There are no words': Bezos says space mission changed him, reinforces climate change fight
Amazon's Jeff Bezos makes history with all-civilian suborbital flight
Wally Funk, 82, makes history as oldest person to fly to space
'Best day ever!': Watch highlights from Jeff Bezos launch to edge of space
Bezos' launch into space could make history in more ways than one
Changing global and political landscapes have made the kind of broad and bipartisan agreements reached in the 1970s seem impossible.