Science News

The FDA says esketamine, an antidepressant derived from the anesthetic and party drug ketamine, can now be prescribed on its own. It was approved in 2019 to treat severe depression.

A new analysis suggests saber teeth were highly specialized for puncturing prey, ultimately at the cost of durability.

Trump says Americans should look to the stars, by sending astronauts to Mars.

President Trump pledged to change the name of two natural landmarks in his second inaugural address. Can he do that?

The ash and debris created during the burns could be loaded with dangerous materials. Experts suggest taking care.

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the air actually is.

Debris streaking across the Caribbean appeared to cause confusion and delays.

All month, Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours after dark. This weekend, Venus and Saturn get especially cozy.

The state has been slow to adopt rules to protect Florida's endangered springs. While a boom in residential construction has increased the amount of groundwater being taken from the aquifers.

Analysts say the country will burn a lot more natural gas in the coming years to meet soaring electricity demand, potentially locking in decades of heat-trapping emissions.