UFO hearing: Pentagon shows declassified photos and video, clip of unexplainable floating object

The Pentagon Tuesday showcased declassified photos and video of UFOs to Congress – including a flying object without a "specific" explanation" – as lawmakers pressed military officials on the mysterious sightings.

Bear sought after attack on NJ woman heading to check mail

Officials said the 34-year-old woman saw two to three bears and was "involved in a physical encounter with one of them."

Huge black hole at galaxy's center seen in first-ever images

Using telescopes worldwide, astronomers have captured the first image of the supermassive black hole at the center of the Milky Way.

Cleaner air leads to more hurricanes in the Atlantic, study finds

A new study links how many hurricanes form worldwide to air pollution levels. Wednesday's study from the National Oceanic and Atmospheric Administration says cleaner air in Europe and the United States is helping trigger a dramatic increase in the number of Atlantic hurricanes.

Ironbound: Half ton great white shark tracked off New Jersey coast

Researchers are tracking the migration patterns of a half ton great white shark who has been spotted off the New Jersey coast in the last year. 

'Most intense' solar flare captured on stunning imagery

On Tuesday, a strong solar flare erupted from the sun, sending energy across the galaxy, which made for spectacular imagery of the invisible light.

Tonga volcanic eruption forced hurricane-speed winds to space

When the Hunga-Tonga-Hunga-Ha'apai volcano erupted, it caused pressure disturbances that led to winds of up to 450 mph to reach space.

Sun will not set until August in northern Alaska

The sun rose over Utqiaġvik, Alaska, at 2:58 a.m. AKDT on Tuesday and will not set again until August 2.

'One-in-a-million' yellow cardinal spotted in Florida

Experts say while there are millions of red cardinals, there are only 10-15 yellow cardinals in North America.

Great white shark stalking the East Coast spotted near New Jersey, Carolinas

A massive great white shark stalking the East Coast was spotted near the Carolinas on Monday after earlier being tracked off the coast of New Jersey, according to researchers.