An analysis of changes to global ecosystems has revealed that almost nowhere is untouched by the influence of humanity, with ...

But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

The Miller-Urey hypothesis is based on a famous 1952 experiment in which researchers successfully formed these organic molecules by applying an electrical current to a mixture of water and Earth’s ...

"We're arguing that intelligent life may not require a series of lucky breaks to exist," said lead author Dan Mills of the ...

And could we really end all life on Earth? What if we dropped every nuke at once? Would that get every bug, including roaches and bacteria? “No way, no chance, no prayer — there's not the ...

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to ...

It was a respectable tenure, but the world’s oldest known meteorite site is no longer western Australia’s 2.2 ...