Sea-skimming crafts – which fly just above the water – were once considered Cold War relics of a failed Soviet experiment.

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When ...

The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's ...