Science News: Recent scientific discoveries and expert analysis

A scientific analysis of dozens of 12th- and 13th-century books found in European monasteries reveals they were bound in sealskins procured by Norse traders from as far away as Greenland.

NASA astronaut Don Pettit captured breathtaking video of a rare atmospheric phenomenon from his perch high above Earth on the International Space Station.

Comet SWAN25F was discovered using photos from the European Space Agency's SOHO spacecraft and can currently be spied using backyard equipment — but it could also become visible to the naked eye in the next few weeks.

Video footage captured by NASA's Perseverance rover shows a small "dust devil" merging with a much larger twister on the surface of Mars.

The weapons from a toolkit unearthed in Texas may be the earliest ever found in North America.

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or hard to find.

Epigenetic changes in the placenta may shape how the fetal brain develops and thus influence the risk of psychiatric disorders.

Social signals stop young labyrinth spiders from hunting their siblings even when they are starving. However, the cannibalistic spiderlings quickly feed on the corpses of their brothers and sisters.

Japanese engineers have unveiled a concept design of the Corleo, a four-legged robotic horse that could one day carry people across a vast range of terrains.

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

Dire wolves, made famous by HBO's Game of Thrones, have been extinct for around 12,500 years. But thanks to genetic engineers at biotech company Colossal Biosciences, these majestic predators are back.

The classified Kosmos satellite trio has sparked intrigue in space-tracking circles.

As measles outbreaks in the U.S. continue, here's what to know about how the disease spreads, what its symptoms are, and how to protect yourself and community from the illness.

Texas officials reported the death of a second school-age child in the state's ongoing measles outbreak.

"The fall of Aguas Zarcas was huge news in the country. No other fireball was as widely reported and then recovered as stones on the ground in Costa Rica in the past 150 years."

In a study, memes created by OpenAI's GPT-4o model were, on average, rated funnier, more creative and more shareable than those created by humans.

Tonka bean trees survive lightning strikes — and use the powerful electric shocks to kill their competitors.

Researchers have performed a necropsy on a 130,000-year-old baby mammoth preserved in the Siberian permafrost.

A more nuanced understanding of hormone therapy now suggests that its benefits for heart health depend on how soon after menopause onset it is prescribed.

A dramatic video shows Isar Aerospace's first orbital launch attempt, which ended with a fiery crash into the frigid sea about 30 seconds after liftoff.