Invasive 25-pound rodent spreads in Bay Area, posing health and infrastructure threat
A disturbingly large, invasive rodent, double the weight of a cat, is causing widespread concern in the Bay Area, threatening infrastructure, the state’s water supply and posing a health risk to humans, pets, and livestock.
Colorado black bear attacks 74-year-old man after breaking into home
Colorado Parks and Wildlife says it’s ‘certainly lucky we didn’t have a fatality’ in Lake City.
Northern lights alert: Will the Bay Area be treated to a celestial show?
Strong geomagnetic storms are forecasted in the coming days, and that could bring spectacular northern lights displays to parts of the U.S.
Mount Everest, the world's tallest mountain, is still growing — here’s why
Mount Everest is growing taller every year, and new research suggests that the merger of two rivers thousands of years ago plays a key role in its rise.
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.
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.
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.
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.
Leaf color tracker: Here’s when fall foliage will peak across US in 2024
The peak of fall foliage can start as early as September, and most locations will peak in either October or November.
Super harvest moon eclipse to dazzle skies tonight
Tuesday's full moon is going to be extra special this year, and stargazers will be in for a treat.
Mid-air collision leaves one dead near Minden-Tahoe airport
One person died after two planes collided mid-air at an airport in Tahoe on Monday morning, the Douglas County Sheriff's Office confirmed to KTVU.