When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of ...

A SpaceX test flight endangered several packed passenger jets when it unexpectedly exploded over the Caribbean earlier this year, according to newly-released documents from the Federal Aviation ...

President Donald Trump signed an executive order Monday classifying “illicit fentanyl and its core precursor chemicals” as weapons of mass destruction — though it was not immediately clear what ...

Politically motivated assassinations, aggressive immigration raids and a second Trump presidency reshaped the role of federal ...

Section 1. Purpose and Policy. Illicit fentanyl is closer to a chemical weapon than a narcotic. Two milligrams, an almost undetectable trace amount equivalent to 10 to 15 grains of table salt, ...

DEFENDING AMERICA FROM A CHEMICAL WEAPON: Today, President Donald J. Trump signed an Executive Order designating illicit fentanyl and its core precursor chemical as weapons of mass destruction (WMD).

The explosion does not seem criminal in nature, emergency officials said. One person is dead after a U-Haul truck appears to have accidentally exploded in a parking lot in Idaho early Saturday, ...

Supernova remnant Cassiopeia A, which sits within the Milky Way X-ray: NASA / CXC / SAO; Optical: NASA / ESA / STScI; IR: NASA / ESA / CSA / STScI / Milisavljevic et al., NASA / JPL / CalTech; Image ...

HAYWARD, Calif. (KGO) -- A gas explosion set off a major fire in a Hayward neighborhood on Thursday after obliterating at least one home, blowing out windows and shaking nearby homes. Six people were ...

The first teaser for DC Studios’ Supergirl was brief, but it did give us a quick look at the homeworld of the titular heroine, played by Milly Alcock. We witness as an energy dome encases an alien ...

A gas explosion set off a major fire in a San Francisco Bay Area neighborhood on Thursday after obliterating at least one home, blowing out windows and shaking nearby houses. Six people were taken to ...

One person is dead after a U-Haul truck explosion early Saturday morning, authorities said. The blast happened around 7:15 a.m. in the parking lot of an Old Navy store in Lewiston, Idaho, just across ...