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There are at least 19,000 pieces of space debris in Earth's orbit, not including active satellites, that the U.S is monitoring.

A 2022 survey found growing numbers of Republicans and Democrats think the other side is immoral and dishonest. Psychology and neuroscience research offers tools to help bridge that divide.

A deep sea oarfish washed up in Southern California. Japanese folklore suggests seeing the rare fish is a bad omen, some accounts say.

For decades, Coho salmon were turning up dead in urban streams the Pacific Northwest. The salmon would stop swimming straight, and then die before they had a chance to spawn. Researchers worried that unless they figured out the cause, the species ...

The monarch butterfly is widely recognized and widely dispersed across North America and it's in trouble. Federal officials decide soon whether it gets protection under the Endangered Species Act.

Regulators have slowed the pace of Starship launches over environmental concerns, but that may be about to change.

Some of the 43 monkeys that escaped from a research facility in South Carolina are still on the loose. Animal rights activists say the company that breeds them needs to be investigated.

Many people are gearing up for holiday conversations with loved ones who may disagree with them -- on everything from politics to religion and lifestyle choices. As the conversations unfold, these divisions are visible in our brains too. These ...

The monarch butterfly -- one of the most widely recognized and widely dispersed insects in North America -- is in trouble. Federal wildlife officials will soon decide whether it deserves protections under the Endangered Species Act.

In the 2015 Paris Agreement, most countries agreed to try hard to limit global warming to below 1.5 degrees Celsius. Delay and inaction mean that goal is becoming harder to achieve by the day.