Now, researchers suggest these mysteries could point to the existence of an undiscovered Earth-like planet. Decoding the ...

Data from NISAR will improve our understanding of such phenomena as earthquakes, volcanoes, and landslides, as well as damage ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts.

The vice-president addressed supporters at Howard University in Washington DC, following her election defeat to Donald Trump.

Voters in the USA only have a few more hours to cast their ballots in elections billed as the most consequential in recent ...

Imagine that a massive ice sheet covered Canada and oozed down over a large part of the northern United States, like icing ...