A new paper suggests alien civilizations could travel the cosmos feeding on stars, and how we could detect them.

S trange things are occurring beneath Earth’s surface (as ever). Some 2,896 kilometers (1,800 miles) below the planet's crust ...

“This technology has the potential to be applied not only to water supply in arid regions and places with limited energy ...

Both studies had similar aims: to follow their recruits over their lifetimes and observe how various factors would impact ...

F or close to 40 years, a simple little hypothesis has been quietly sitting in a corner of graph theory, minding its own ...

Orcas are apex marine predators, found in all the oceans of the world. With their high levels of intelligence and cooperative ...

And while it’s true that the fossil record does suggest that the two ancient human relatives may have overlapped, the newly ...

It was an unusual contribution to the growing body of evidence that bowhead whales, as well as being among the largest whales ...

T he solar maximum continues to deliver. As the Sun is experiencing its peak of activity, coronal mass ejections and solar flares are happening more and more often. One of those plasma releases is now ...

Residing in the national monument named after it, the Devils Postpile is a cliff of columnar basalt, a type of rock formed by the rapid cooling of lava. These towers – some of which look as though ...

“The flight team suspected that Voyager 1’s fault protection system was triggered twice more and that it turned off the ...

Inside the belly of planet Earth, a giant solid ball of metal is surrounded by a swooshing layer of liquid iron and nickel, ...