A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know.

Dimethyl sulfide is in the news after NASA’s James Webb Space Telescope may have detected relatively high levels of it in the ...

He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

With a second search warrant in hand, the FBI conducted another search of Miller’s home on April 14, recovering the 131 ...

The decades-long struggle to find a permanent place to dispose of nuclear waste in the U.S. will continue, probably for many ...

Rather than firing key nuclear security staff, the United States could save tens to hundreds of billions of dollars by ...

In this 14th installment of several articles covering the life and accomplishments of Kenneth D. Nichols, his diplomacy ...

SPRINGFIELD — A Hadley man was selling lethal plutonium from his home in Hampshire County, according to the FBI. Jacob D.

A new report by the feds says cleanup at the Hanford site will take until 2086, with other work needed until 2100.

We have finally begun emplacing defense-related transuranic (TRU) waste in Panel 8 of #WIPP.