A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood.

SpaceX's Starship has been awarded a NASA contract that will allow it to be considered for future missions. However, recent explosive tests have shown the supersized spacecraft is still far from ...

A roughly 100-year-old western Santa Cruz Galápagos tortoise has become a mom for the first time after reproducing with a ...

Leave your tripod at home with these image-stabilized binoculars for shake-free observations: Spy wildlife, spot planes and ...

The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...

Of the 4,000 snake species in the world, only about 600 are venomous, though not all of those pose a threat to humans. That ...

A CT scan of an ancient marine reptile that was entombed while pregnant has revealed a huge surprise — there were two fetuses inside her fossilized remains. "Twins! She has another baby," Judith Pardo ...

With a range of star projectors on the market, it's hard to know which to pick — here we try out the Dark Skys DS-FX — can it ...

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find out ...

Scientists explored how the human brain might represent information about physical spaces and about people, places and things ...

Researchers have used a mind-reading brain implant to continuously play a paralyzed person's thoughts through a speaker, allowing them to talk again.

A survey of workers who use AI has revealed the tools could be slowly impairing our critical thinking skills. Artificial ...