Dolphins smile at each other while playing, study says
Dolphins are actually smiling at each other when they open their mouths while playing with one another, according to a recent study out of Italy.
Strongest solar flare in 7 years could lead to communication blackouts on Earth
The X9.0 flare takes the crown from the previous strongest flare of Solar Cycle 25, which was an X8.7 flare on May 14.
Maryland DNR issues warning as black bear feeding activity increases during fall months
The Maryland Department of Natural Resources is warning residents that black bear activity will increase into the fall months as they enter a heightened period of feeding in preparation for winter hibernation.
Massive solar flare could trigger auroras this week: Will you be able to see it?
A massive solar flare could trigger auroras in the coming days. Here are the chances of seeing them in the United States.
Fat Bear Week starts a day late after bear kills rival on live webcam
Fat Bear Week is back, but the annual contest that celebrates brown bears and their healthy appetites was delayed after a bear killed another bear on a live webcam.
Scuba divers have 'once-in-a-lifetime' close encounter with great white shark near Catalina
Scuba divers near Catalina had a rare and thrilling encounter with a 15-foot Great White Shark, capturing the moment on video as the shark calmly circled them before swimming away.
Watch: 'Comet of a century' puts on beautiful show while zooming by Earth
Astronomers said Comet Tsuchinshan-ATLAS reached perihelion, its closest point to the Sun, on Sept. 27 and will spin back around for another visit to Earth's neighborhood. On or before Oct. 12 will be the next chance to see the celestial show.
NASA: Black hole’s Death Star-like beam appears to make stars explode
The beam of light is 3,000 light years long and is traveling through space at almost the speed of light.
NOAA orders next generation of hurricane hunter aircraft
The National Oceanic and Atmospheric Administration announced recently it awarded a contract to Georgia-based Lockheed Martin Aeronautics for two specialized C-130J Hercules aircraft. The planes are expected to join NOAA’s fleet by 2030.
Rare 'ring of fire' eclipse to dazzle Easter Island, parts of South America
An annular solar eclipse, known as the "ring of fire," will be visible on Wednesday, primarily over the Pacific, with Easter Island, parts of Argentina, and Chile in its path.
SpaceX launches rescue mission for 2 stranded NASA astronauts
SpaceX has launched a rescue mission for the two stuck astronauts at the International Space Station.
VIDEO: Bear charges at man in his own garage
Alex Gold said he has seen bears before, but never as close as this.
VIDEO: Octopus seen 'punching' fish to corral them while hunting for food
Video from a new study shows multiple examples of octopuses using their tentacles to punch fish.
Crews rescue ‘badly’ burned bear from Nevada wildfire
As crew members continued to battle the Davis Fire in Western Nevada, they rescued a bear found with severe burns.
Comet Tsuchinshan-ATLAS puts on show in space before possible big show on Earth
Comet Tsuchinshan-ATLAS has been tantalizing astronomers on Earth for several months since its discovery last year.
Earth is getting a temporary second moon this fall
Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our planet this fall, becoming a "mini-moon" temporarily.
Wisconsin bear attack: Boy shoots, kills animal mauling father
A 12-year-old boy shot and killed a wounded black bear as it was mauling his father near their hunting cabin in the thick western Wisconsin woods.
Hiker mauled by bear, hospitalized with ‘extensive’ injuries: official
A 45-year-old man hiking alone in Alberta, Canada, was mauled by a bear late Friday morning, the Royal Canadian Mounted Police (RCMP) confirmed to Fox News Digital Saturday.
Partial lunar eclipse and supermoon combo coming: When to see it
Stargazers are in for a treat as a partial lunar eclipse and a supermoon will occur simultaneously.
See it: Snake barfs up two other snakes, including rattlesnake, after found in Georgia
Those squeamish photos show a burly, 4-foot-long eastern indigo snake that had eaten not just one, but two other snakes – including a rattlesnake.