Scientists created transgenic mice with woolly mammoth–like traits. But does it really bring us closer to bringing back woolly mammoths?

Engineers are exploring propulsion methods that could enable longer-distance travel ...

The magnitude 7.7 earthquake was powerful, shallow and in a heavily populated region with vulnerable buildings.

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

As 23andMe prepares to be sold, Science News spoke with two experts about what’s at stake and whether consumers should delete their genetic data.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

In a small study, mice given fecal transplants from elite cyclists and soccer players had higher levels of glycogen, a key energy source.

A genetically modified mini pig’s liver was able to function in the body of a brain-dead patient throughout a 10-day experiment.

A vaccine kept patients free of pancreatic cancer for years, yet new reports say the NIH is advising against mentioning mRNA tech in grants.

Carbon credits sold on the voluntary market are under scrutiny for not offsetting greenhouse gas emissions as claimed.

A dog's physical cues often take a backseat to environmental ones, skewing humans' perceptions, a small study suggests.

In the United States, deaths that could have been avoided rose, on average, from 2009 to 2019. That’s in contrast to European Union countries.