While coral populations are declining in tropical waters, scientists have just detected an increase in subtropical areas, which could be good news for corals.

Here are 4 different scenarios of what planet Earth might look like when the next supercontinent forms.

The ice age hyenas may have hunted caribou and horses, or scavenged carcasses of mammoths on a cold treeless tundra, says a study of 2 fossil teeth.

Wet conditions from July 2018 through June 2019 resulted in a new 12-month precipitation record in the US

How do solar and lunar eclipses influence animal behavior? While the human world gathers to see tonight's lunar eclipse, what's the rest of nature doing?

The 2 strong earthquakes of July 14, 2019 - the first a 6.6-magnitude off the western coast of Australia and the second a 7.3-magnitude in Indonesia - happened on or near the Pacific Ring of Fire.

A new study, which used declassified images from spy satellites, shows that glaciers in the Himalayas melted twice as fast from 2000 to 2016 as they did from 1975 to 2000.

Satellite images confirm that this rare lava lake is a continuous feature at the top of Mount Michael, in the South Atlantic's South Sandwich Islands. The temperature of the molten lava is some 1,000 degrees Celsius (1,800 degrees Fahrenheit).

Here be monsters. This video shows a living giant squid, captured on camera in its natural habitat for only the 2nd time in history.

An earthquake scientist said of the recent 2 big California earthquakes, "... the M6.4 was a foreshock. This was a M7.1 on the same fault ... part of the same sequence." She added it will not trigger another large earthquake outside the Ridgecrest, California, area.