On this day in history, March 1, 1872, majestic Yellowstone becomes America's first national park
It was the first national park in the United States and, to most people around the world, the first known on the planet.
It was the first national park in the United States and, to most people around the world, the first known on the planet.
New dental treatment is easier, more effective at preventing cavities, study finds
The researchers found that the new treatment is more cost-effective, can be applied in less time than dental sealants, and can be provided by registered nurses rather than a dentist or dental hygienist.
The researchers found that the new treatment is more cost-effective, can be applied in less time than dental sealants, and can be provided by registered nurses rather than a dentist or dental hygienist.
Fishermen find remains of missing man inside shark
The remains of a man who had disappeared appear to have been found inside a shark that was captured by local fishermen.
The remains of a man who had disappeared appear to have been found inside a shark that was captured by local fishermen.
Bullfrogs for dinner? Utah wildlife officials want you to catch – and eat – this invasive species
“Target the big ones — they have the most meat,” Lee Kay, a grounds supervisor at Utah Division of Wildlife Resources, said.
“Target the big ones — they have the most meat,” Lee Kay, a grounds supervisor at Utah Division of Wildlife Resources, said.
SpaceX, NASA astronaut launch to ISS called off after last-minute technical trouble
The countdown was halted with just two minutes remaining until liftoff from Kennedy Space Center.
The countdown was halted with just two minutes remaining until liftoff from Kennedy Space Center.
Stunning video shows Mercury passing by the sun
A satellite had a front-row seat as Mercury moved around the giant star.
A satellite had a front-row seat as Mercury moved around the giant star.
Watch: Bald eagles, 'branch managers' work together to build nest
Team work makes the dream work during bald eagle nesting season.
Team work makes the dream work during bald eagle nesting season.
US government agency says 'no link' between dead whales and wind farm development
Independent agency says 40% of whales that were stranded showed evidence of being struck by a ship or getting tangled in fishing gear
Independent agency says 40% of whales that were stranded showed evidence of being struck by a ship or getting tangled in fishing gear
Watch: Lion, tiger react to snow in California
Bitterly cold temperatures in California have dropped snow levels as low as 1,000 to 1,500 feet.
Bitterly cold temperatures in California have dropped snow levels as low as 1,000 to 1,500 feet.
Russia launches rescue ship to space station after leak issues
The new, empty Soyuz capsule will arrive at an orbiting lab on Sunday, following its liftoff Friday from Kazakhstan. The Russian Space Agency delayed the ship's launch to check for defects, but none were found.
The new, empty Soyuz capsule will arrive at an orbiting lab on Sunday, following its liftoff Friday from Kazakhstan. The Russian Space Agency delayed the ship's launch to check for defects, but none were found.
Eagle on Minnesota DNR's EagleCam covered in snow
The eagle that's the star of the Minnesota DNR's EagleCam is covered in snow Thursday as the long-duration winter storm winds down.
The eagle that's the star of the Minnesota DNR's EagleCam is covered in snow Thursday as the long-duration winter storm winds down.
Sheriff: 5 killed after small plane crashes in Arkansas
Five people died when a small airplane crashed near a Little Rock factory on Wednesday shortly after taking off, authorities said.
Five people died when a small airplane crashed near a Little Rock factory on Wednesday shortly after taking off, authorities said.
DNA on a discarded cigarette butt helps police solve 52 year murder case
Officials say a discarded cigarette found near the body of a 24-year-old Vermont school teacher nearly 52 years ago helped lead investigators to an upstairs neighbor who they say strangled her in her apartment.
Officials say a discarded cigarette found near the body of a 24-year-old Vermont school teacher nearly 52 years ago helped lead investigators to an upstairs neighbor who they say strangled her in her apartment.
James Webb telescope finds massive galaxies dating back to beginning of universe
Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang.
Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang.
Air Force photo shows Chinese spy balloon from high-flying U-2
The Pentagon has confirmed that a photo, leaked on the internet Tuesday, does indeed show a Chinese spy balloon as seen from an American reconnaissance plane earlier this month.
The Pentagon has confirmed that a photo, leaked on the internet Tuesday, does indeed show a Chinese spy balloon as seen from an American reconnaissance plane earlier this month.
Japanese startup announces balloon flights taking passengers up to space
In the tour's unveiling Tuesday, the company said it has developed an airtight two-seat cabin and a balloon capable of rising to a 15-mile altitude.
In the tour's unveiling Tuesday, the company said it has developed an airtight two-seat cabin and a balloon capable of rising to a 15-mile altitude.
Dog vs shark: Standoff thrills tourists on Bahamas boat tour
Tourists in the Bahamas witnessed a rare standoff between a dog and a shark this week.
Tourists in the Bahamas witnessed a rare standoff between a dog and a shark this week.
Watch: Rarely-seen giant Pacific octopus spotted swimming in Oregon tide pool
The giant Pacific octopus is the largest octopus species on the planet.
The giant Pacific octopus is the largest octopus species on the planet.
Large alligator kills 85-year-old Florida woman
A large alligator attacked and killed an 85-year-old woman in Florida on Monday.
A large alligator attacked and killed an 85-year-old woman in Florida on Monday.
Irish rooster with a violent past kills man with attack to the back of his leg, court says
Victim suffered from a puncture wound on his lower leg, caused by a rooster relocated to his place of residence after attacking a child.
Victim suffered from a puncture wound on his lower leg, caused by a rooster relocated to his place of residence after attacking a child.