Using the ALMA telescope and the James Webb Space Telescope, astronomers have witnessed the birth of a solar system for the ...

Discover the deadly effects of Mars' thin atmosphere, freezing temperatures, and intense radiation on the human body. Explore ...

The Medicaid cuts recently approved by Congress and President Donald Trump could force states into difficult decisions, ...

NASA will launch a sounding rocket Friday, July 18 from New Mexico near the Texas border. Here's what to know about the mission.

Using a cutting-edge magnetic wave detection technique, a new study in Nature Communications has identified lithium in Mercury's exosphere for the first time.

We were drawn to this story not just because of the eclipse,” says New York City-based co-director Mia Weinberger, “but ...

Scientists say they have found a mysterious 'tiny world' in our solar system. Apparently, the Subaru Telescope at the Mauna Kea Observatory in Hawaii has uncovered there's a new 380-kilometer world ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

We’ve never known why sunspots can last on our star’s surface for as long as they do, but we finally cracked the case.

An EPA ruling says Colorado can't require coal plant closures by a certain date, and some utilities may take advantage.

It is inevitable that America will eventually follow the rest of the world and that in 40 or so years, it will run mainly on ...

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...