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.

'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.

UFO debate: House panel to hold public hearing on ‘unidentified aerial phenomena'

“The purpose of this hearing is to give the public an opportunity to hear directly from subject matter experts and leaders in the Intelligence Community on one of the greatest mysteries of our time,” said Rep. Adam Schiff, D-Calif., and chairman of the House Intelligence Committee.

April CO2 levels were the highest in recorded human history, data shows

The first time Earth reached a record average for CO2 concentrations in the atmosphere was in 2015 and the levels continue to grow every year.

NYC rat complaints skyrocket

New Yorkers, and rats, are bouncing back.. So far this year, people have called in some 7,400 rat sightings to the city's service request line. That's the most ever for the first four months of the year.

Powassan virus case confirmed in Connecticut; tickborne illness can be deadly

A Connecticut man in his 50s is recovering from a rare and potentially dangerous viral infection caused by a tick bite, health officials said. This is the state's first known case of a Powassan virus-related illness so far this year.