By Becky Ferreira At sunset on a late summer weekend in 1924, crowds flocked to curbside telescopes to behold the advanced alien...

By Franz Lidz The dodo was a flightless bird about the size of a male turkey that had a long, hooked beak and the goofy charm of an...

By Kenneth Chang Two private astronauts moved outside their spacecraft early Thursday morning, conducting the first-ever commercial...

By Kenneth Chang The Starliner has landed. Boeing’s troubled spacecraft has finally come home, but the two NASA astronauts who traveled...

By Becky Ferreira Scientists have discovered new evidence that the rock that slammed into Earth 66 million years ago, abruptly ending the...

By Alexandra E. Petri They may be an ocean apart, but dinosaur footprints found in South America and Africa are so similar that their...

By Kenneth Chang Two astronauts who have spent months aboard the International Space Station will have to stay there months longer after...

By Remy Tumin For more than 30 years, the world’s largest iceberg was stuck in the Antarctic. Five times the size of New York City’s land...