True crabs evolved to migrate between marine and land environments multiple times throughout their 250 million-year-old history, new study finds.

Latest updates on the imminent volcanic eruption in Iceland, which threatens local towns and the famous Blue Lagoon spa resort following a series of earthquakes and the appearance of sinkholes.

Save 55% on these vinyl-coated weights with wide grip handles to build muscle and boost your metabolism at home

DEAL The Garmin Instinct 2 has $100 off ahead of Black Friday.

Researchers have simulated how comets pinballing from one planet to another could deliver critical organic molecules to exoplanets.

No one knows what causes lunar swirls, but new evidence shows they may be tied to certain elevations on the moon’s surface.

The magnolia wood LignoSat is an attempt to make space junk biodegradable. NASA and Japan’s space agency (JAXA) could launch it as soon as 2024.

Iceland’s Reykjanes Peninsula is now in a new era of volcanic eruptions that will last for up to 500 years, and the building magma beneath Sundhnúkur and Grindavík is part of this millenia-long cycle.

Up to 15 “shooting stars” per hour may be visible in dark skies as the Leonid meteor shower peaks Friday and Saturday (Nov. 17 and 18).

Russia’s Klyuchevskoy volcano, which is the tallest volcano in Europe and Asia, violently erupted on Nov. 1 and left behind a trail of smoke and ash that was photographed by NASA satellites.

A spider-inspired robot called mCLARI weighs less than a gram and could one day be deployed to aid first responders following a natural disaster or help out in surgery.

OPINION Opinion: State-of-the-art climate models show warming stops once we stop emitting carbon. That means there’s still time to stop the worst impacts of climate change.

In this interview, elephant expert Ross MacPhee explains how the giant animals’ tusks record every week of their lives and why their noses are so remarkable.

A new show on “The Secret World of Elephants” at the American Museum of Natural History in New York City dishes on the evolution and remarkable lives of these huge (and sometimes dwarf) pachyderms.

Elephants in Kenya’s Amboseli National Park appear to call to each other with individual names using low, complex “rumbles,” a study has found.

Phallic objects like this were common in the Roman world to ward off evil.

There might be an advantage to separating scent information from each nostril, a new study hints.

Our universe seems to be perfectly suited for life. But anyone who claims that’s evidence of a multiverse is falling prey to a logical fallacy.

Scientists are developing a new device that could help breast cancer patients who experience a loss of sensation after having a mastectomy.

Supermassive black hole Sagittarius A* is spinning nearly as fast as it can, dragging the very fabric of space-time with it and shaping the heart of the Milky Way.