Researchers using data from the James Webb Space Telescope recently announced they had detected biosignature gases on planet K2-18b. A new analysis of the same data casts doubt on the earlier findings

President Trump signed an order Thursday aimed at making it easier for companies to mine the ocean floor. Scientists and environmental groups say it could harm a fragile ecosystem.

Last year, more than 9 million people watched across the world, and executive producer Johan Erhag said he expects viewership will be even higher this year.

Scientists have discovered a new color... but you can only see it through a laser. How did scientists make the discovery and what could it mean for how we see color?

Rockalina was an adult eastern box turtle living in the wild when she was taken into a New York home in 1977. When a reptile rehabilitation center got a hold of her this February, they worried for her survival.

The pre-dawn sky will feature a glowing crescent moon, joined by planets Mercury, Venus and Saturn.

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

The National Institutes of Health plans to pool information from private sources like pharmacies and smartwatches.

Experts are divided whether a new missile defense system for the U.S., inspired by Israel's Iron Dome, would be worth the cost.

Thirty artists release songs with nature sounds to generate royalties for nature conservation in second annual United Nations Earth Day mixtape.