Satellite tracks vicious Caldor Fire spread in California in time-lapse video | Primordial black holes may flood the universe. Could one hit Earth? | America's forgotten plans to reach the moon
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The Caldor Fire raging near Lake Tahoe on the border of U.S. states of California and Nevada has been captured in a stunning time-lapse video by a satellite in orbit, showing the scale of the massive wildfire.
Black holes sound pretty scary -- dark, powerful, foreboding. And now, astrophysicists have cooked up something else: primordial black holes, forged in the earliest moments of the universe, that flood the present-day cosmos.
The European Space Agency is asking over 23,000 astronaut hopefuls for patience as the pandemic and sheer overload of applications has delayed their review.
There's no consensus yet on how supermassive black holes form, but this mesmerizing new simulation is taking a crack at that question like never before.
Several NASA employees and "Star Trek" actor George Takei gathered virtually in a panel to celebrate diversity on what would have been the 100th birthday of the franchise's creator, Gene Roddenberry, on Aug. 19.
