Science
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String of satellites baffles residents, bugs astronomers
This month, SpaceX has already launched dozens of satellites. It is all part of a plan to bridge the digital divide and bring internet access to underserved areas of the world.
A giant sequoia in California is still smoldering from last year's wildfires
The burning tree was found by the National Park Service during surveys in the area to assess damage from the 2020 Castle Fire.
Huge Chinese rocket is hurtling toward Earth — but no one knows where
There is a tiny chance the debris could hit New York, Los Angeles, Madrid, Rio de Janeiro, the Nigerian capital of Abuja or Beijing.
Is San Francisco on the verge of a herd immunity breakthrough? Experts are optimistic
The city kept case numbers low, and it has one of the highest vaccination rates of any major U.S. city. Now comes the real test.
China’s emissions exceed those of U.S. and developed countries combined, report says
The findings come after a climate summit during which Chinese President Xi Jinping reiterated his pledge to make sure the nation’s emissions peak by 2030.
Jeff Bezos' Blue Origin is auctioning off a seat on its first space tourism flight
The first flight of the company's New Shepard rocket and capsule will take place July 20 and one seat will be auctioned off to the highest bidder.
SpaceX launches and lands Starship in first successful flight
The previous four test flights ended in fiery explosions. Success came on the 60th anniversary of the flight of first American in space, Alan Shepard.
Mysterious structures in Saudi Arabia thousands of years older than Stonehenge, pyramids
Researchers think the region’s "mustatils" form the oldest ritual landscape in the world. But exactly what they were for isn’t clear.
King Henry VIII's ship reveals racially diverse Tudor England
"For us it reinforces this idea that England was a much more diverse society," said Dr. Alexzandra Hildred of the Mary Rose Trust.
Climate pledges see world closing on Paris goal, researchers say
The Climate Action Tracker, compiled by a group of researchers, projects that the world is currently set to overshoot the Paris accord’s target by 0.9 degrees.
How long is the solar system's longest day? Venus has the answer
Venus has received less scientific attention than Mars, but scientists say it offers a wealth of information about planet formation.
Fifty years later: Earth Day has descended into GOP-driven chaos, experts warn
Changing global and political landscapes have made the kind of broad and bipartisan agreements reached in the 1970s seem impossible.