According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human ...

If we're looking for life as we don't know it, the best solvent out there may be concentrated sulfuric acid — the stuff ...

The tech bajillionaire may be up to a neat baker’s dozen of offspring, though only one has made a White House appearance.

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

Life on Earth started in the oceans, meaning that's a pretty good place to start looking for life elsewhere. In order to find these promising cesspools for chemical reactions, we'll need to know what ...

Astronomers have identified sulfur as a potentially crucial indicator in narrowing the search for life on other planets.

D NA’s power to illuminate humanity’s past never ceases to amaze. Collected from those now alive, it shows how their ...

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

Pope Francis, who has been diagnosed with pneumonia in both lungs, passed a “peaceful night”, the Vatican said Wednesday, ...

The court in 1898 ruled that the protections and guarantees afforded by the 14th Amendment belong to citizens and noncitizens ...