Scientists believe Mars was once much more Earth-like, with rivers, lakes, and possibly oceans, but the loss of its magnetic field left it exposed to solar radiation that stripped away its atmosphere ...

Scientists detect a solid inner core on Mars for the first time, revealing a new chapter in planetary evolution.

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic ...

The news: NASA's Perseverance rover had found potential signs of ancient microbial life on Mars. The discovery represents ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. New research suggests that most of the solar system's inner rocky planets once orbited the sun in ...

The Perseverance rover’s new findings set the stage for bringing Martian samples back to Earth to test whether microbes once ...

The piece of Mars travelled 140 million miles to Earth. The “Largest Piece of Mars on Earth” just sold at auction for about $5.3 million— $5,296,000, to be exact. Popular Science has reached out to ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans. But what does that really mean? “In scientific papers, some people [said] ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

The astronaut candidates will begin two years of training before becoming eligible for missions to low-Earth orbit and beyond ...