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EPA employees put names to 'declaration of dissent' over agency moves under Trump
The letter is rare public criticism from agency employees who could face blowback for speaking out against a weakening of funding and federal support.
Fireball seen shooting across the sky in Southeastern U.S. was from meteor
A Georgia county said the National Weather Service confirmed a meteor shower. 
Why do heat domes bring oppressive temperatures?
Heat waves have become more common and more intense in recent years.
Fired, rehired and fired again, some NOAA employees get letters demanding money
Three former NOAA employees told NBC News they had received debt notices from the federal government for health care coverage. 
Extreme heat sets more than 60 records across the U.S.
A blistering, multiday heat wave sent temperatures into the triple digits along the East Coast, and more record highs are expected this week.
Orcas may be able to make and use tools, with a little kelp from their friends
Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.
First images from world's largest digital camera reveal galaxies and cosmic collisions
Astronomers have been eagerly anticipating the images from the Vera C. Rubin Observatory, which experts say could help solve some of the universe's most enduring mysteries.
The summer solstice is here. What to know about the longest day of the year.
Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.
Honda says it successfully tested a reusable rocket
Albeit much smaller than those of companies like SpaceX, Honda's rocket hints at the growing push into commercial spaceflight.
Extreme heat poised to blanket much of the U.S. this week
Parts of New England could get record highs, and 15 million people are already under extreme heat warnings.
Like moths to a flame: Why scientists think this insect is using the stars for its epic trip
In a study published in the scientific journal Nature, researchers found the bogong moths use the starry sky as a guide to the caves in the Australian Alps.
