We are approaching a 50% increase from preindustrial times.
The 130-foot-tall waterfall freezes every winter, drawing hundreds of tourists.
Shine on, little gecko.
The potential implications are alarming.
This liquid fuel engine is a beast.
Your guess is as good as anyone's.
It's a long shot of an idea, but when it comes to the early universe, it's the best we've got.
Identical twins form from the same egg and get the same genetic material from their parents but that doesn’t mean they’re genetically identical by the time...
Like a teetering top, Mars refuses to rotate on a straight axis.
Antibodies against the novel coronavirus may not work as well against a new variant of the virus identified in South Africa, early data suggest. Scientists recently...