
Newton's Law of Gravity Just Passed Its Biggest Test Ever - ScienceAlert
The motion of galaxy clusters in the distant Universe has just yielded the largest-scale test yet of the laws of gravity.

The motion of galaxy clusters in the distant Universe has just yielded the largest-scale test yet of the laws of gravity.

Paleontologists have cracked the 437-million-year-old fossil mystery of how centipedes got their many legs, revealing how their underwater ancestors helped them make the leap to land.

Researchers have successfully regenerated skeletal and connective tissue, although the new tissue was not perfectly formed. The result demonstrates a critical step forward in limb regeneration.

Researchers have uncovered the cause behind Venus’ mysterious, 6,000-kilometer-wide atmospheric wave.

Deep beneath a Mesopotamian temple, scientists found sand that shouldn't be there; at least not according to what archaeologists believed about this ancient city.

For more than a decade, conservation biologist Steve Boyes searched for "ghost elephants"—nocturnal giants rumored to roam a remote, high-altitude wetland in eastern Angola. When a motion-sensor camera finally captured their image in 2024, Boyes turned to Sta…

NASA is gearing up for a "Big Bang" activity that could extend the lives of the Voyagers' remaining instruments.

NASA's Psyche spacecraft will get a boost from Mars on Friday, May 15, passing just 2,800 miles (4,500 kilometers) from the planet's surface at some 12,333 mph (19,848 kph). The spacecraft will harness the planet's gravitational pull to speed up and adjust it…

Building a permanent city on Mars may depend less on rockets leaving Earth than on mining resources already floating through space.