WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

Pluto, humanity's favorite dwarf planet, is getting some high-profile allies. "Star Trek" actor William Shatner wants to use ...

Texas Senator John Cornyn announced a $1 billion MARS Act to upgrade NASA's Johnson Space Center to better support ...

What if billions of years ago, the Red Planet had rain, snow, and even rivers that carved out landscapes much like those we ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

Here are ten animals with the highest populations on Earth. Some are quite familiar. You have never heard of some others, ...

Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

Tony’s previous visit to Saudi Arabia in 2002 was filled with moments of discovery and warmth — he even fondly remembers his ...