Updated: 2 hours 20 min ago
9 hours 49 min ago
A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.
12 hours 8 min ago
And why the most patriotic approach to the Reflecting Pool may be to let the algae take over.
12 hours 10 min ago
Robert F. Kennedy Jr. and his allies promised public-health libertarianism. The idea couldn’t survive once they took power.
Thu, 07/02/2026 - 6:25pm
The rodent-borne virus, which sickened passengers on the MV Hondius, killed three people, led to a race to find its origin and a global health alert.
Thu, 07/02/2026 - 4:13pm
The snowfall from last winter disappeared a month sooner than usual, after two early hot spells. Huge volumes of exposed ice are now starting to vanish.
Thu, 07/02/2026 - 5:03am
This cell-like structure can grow, feed, divide and compete. Researchers ponder what it means for the future of synthetic biology and our definition of “life.”
Thu, 07/02/2026 - 5:01am
The America250 time capsule will hold dozens of historical treasures. Avoiding dampness and other dangers requires lots of engineering.
Wed, 07/01/2026 - 7:33pm
In moving to ban a potent synthetic version of kratom, the president’s team paved the way for more sales for makers of rival botanic supplements, who had aggressively lobbied for the change.
Wed, 07/01/2026 - 3:29pm
The Nuclear Regulatory Commission plans to end longstanding guidance that radiation exposure be “as low as reasonably achievable.”
Wed, 07/01/2026 - 10:39am
From why it was created to whether it’s alive, here’s what to know about SpudCell, the latest advance in synthetic biology.
Wed, 07/01/2026 - 5:02am
Female mountain chickadees are loyal to their mates, unless a smarter suitor comes along.
Tue, 06/30/2026 - 6:14pm
As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well as a soccer ball.
Tue, 06/30/2026 - 6:00pm
The Vera C. Rubin Observatory is beginning the widest, deepest survey yet of the southern sky.
Tue, 06/30/2026 - 3:59pm
The lawsuit argues that new federal rules went beyond what Congress enacted and broke from guidance that the federal government previewed to states.
Tue, 06/30/2026 - 9:00am
It contains more than half a million people’s genomes, paired with clinical records and wearable tech data. That gives researchers unmatched power to study both diseases and treatments.
Mon, 06/29/2026 - 1:42pm
It was the fourth such deal struck by the administration to get companies to forfeit their offshore wind leases.
Mon, 06/29/2026 - 1:00pm
A rescue mission will soon be underway for NASA’s Swift telescope.
Mon, 06/29/2026 - 11:00am
The origin of turtles has puzzled scientists. A new study provides more evidence that these shelled reptiles share a common ancestor with crocodiles and birds.
Sat, 06/27/2026 - 5:01am
Named for an ancient Roman crossbow-like weapon, the newly found “ballista” spider uses a springy snare to catch prey.
Fri, 06/26/2026 - 4:50pm
His lifesaving melanoma research in Australia illuminated the treatment he underwent for his own brain tumor, an ordeal he courageously shared with the public.
Pages