The microbe was gathered from the agency's clean rooms, where experts build spacecraft in carefully controlled environments.

Kangaroo reproduction is one of the strangest systems in the world as females can support joeys at several different stages ...

Health officials are raising urgent concerns as syphilis infections surge across the United States, with several California counties reporting particularly alarming rates. Public health leaders say ...

Etan Yeshua is a registered nurse in the intensive care unit of an East Coast hospital. For decades, I have encouraged friends and family to register as organ donors. As an intensive care nurse, I’ve ...

At first glance, it might not seem like people have much in common with deer. But a strange discovery about how their antlers regenerate is lifting the lid on the unseen ways that our bodies work, too ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A financial crisis could be triggered by an announcement that aliens ...

New research has mapped the cell types that specialise to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

In 2017, Ashley Moffett, a reproductive immunologist, walked to the pharmacy near her laboratory at the University of Cambridge, UK, to buy a pregnancy test. But it wasn’t for Moffett. Her postdoc, ...

Alien: Earth definitely gets a lot right, but after watching the season 1 finale, I'm torn, because it gets a lot of things wrong, too. There's clear commitment to certain aspects of the Alien ...

Alien: Earth has endeavored to expand the Alien franchise’s lore into a compelling TV prequel series – and seems to be succeeding at it in a big way. However, the first two episodes of the show ...

Alien: Earth showrunner Noah Hawley clearly didn’t think the franchise was doing enough with the implications of its title. Ridley Scott’s Alien (1979) imagined the kind of nightmare lifeforms that ...