Tennessee officials warn public after people get 'dangerously close' to bear

The bear wandered the steps of the building as dozens of people stood by. But some came within mere feet of the wild animal, with their phones out to get a closer look.

Watch: NOAA scientists find mysterious, shiny orb-like object on seafloor

Video from NOAA shows the vessel’s remotely operated arm carefully "tickle" the object before picking it up and sucking it into a vacuum-like tube.

Missing alligator captured in Piscataway, New Jersey park

Just after 10 p.m., a concerned citizen in the Possumtown neighborhood spotted the 4-foot-long alligator near 2nd Avenue.

High school student digs up 34-million-year-old whale skull on family farm

Lindsey Stallworth and her science teacher had only been digging for about 30 minutes when they found fragments that led to the discovery of a lifetime.

New comet to sweep past Earth: How and when to see it

Stargazers should catch a glimpse of the comet as soon as possible — it will be another 400 years before it returns.

NASA releases first images from pollution-monitoring satellite in space

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few square miles.

VIDEO: 3-legged bear breaks into Florida home's lanai, drinks 3 White Claws | 'Oh my God, look at him!'

A Lake Mary, Florida, mother received the shock of her life when she discovered that a three-legged black bear, affectionately known as Tripod, had somehow managed to break into her home while her 13-year-old son was inside with the family dog. The woman said the bear even accessed her outdoor refrigerator and helped itself to three of her White Claws.

WATCH: Crew-6 astronauts splash down off Florida coast after wrapping up 6-month mission at ISS

Four Crew-6 astronauts returned to Earth early Monday after a six-month stay at the International Space Station. Their SpaceX capsule parachuted into the Atlantic off the Florida coast.

India's moon rover completes walk, scientists to analyze data for signs of frozen water

India’s space mission says the moon rover has completed its walk on the lunar surface and been put into sleep mode less than two weeks after its historic landing near the lunar south pole.

Pentagon to release declassified UFO photos, videos and reports on new website

The Pentagon on Thursday announced the launch of a new website with the All-domain Anomaly Resolution Office (AARO), which will provide the public with declassified information about UFOs, or what the government calls unidentified anomalous phenomena (UAPs).

Rare super blue moon spectacle treats stargazers worldwide to stunning scenes

The stunning astronomical phenomenon created an awe-inspiring setting that took center stage from the Pyramids of Giza in Egypt, towering skyscrapers in Madrid and serene open fields of America's heartland.

Montana men surprise momma bear with cub, encounter ends with accidental shooting

The men from Whitefish were scouting for hunting season in the woods near the Smokey Range Trailhead in the Flathead National Forest on Saturday when they encountered the full-grown grizzly and her cub.

A 802 pound record-breaking alligator was just captured in this state

An alligator the size of an adult male grizzly bear was captured by four Mississippi men — breaking the record for the longest alligator harvested in the state.

Watch: Fireball meteor soars across Colorado night sky

The meteor was spotted all over the state and a few other places in the United States, as recorded by the American Meteor Society.