Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

"It's possible that this might have come from an ancient northern ocean on Mars ... found further supporting evidence for a northern sea, in the form of more than 15,000 mounds and hills up ...

Some of the Martian buttes and mesas on the Red Planet's northern plains ... have found further supporting evidence for a northern sea, in the form of more than 15,000 mounds and hills up to ...

Uncover the best bucket-list experience in every country, from iconic landmarks and stunning natural wonders to cultural ...

That raised "immediate red flags," Sharpe said. "That's the holotype" — the official specimen that represents a new species. He added that scientists cannot withhold information about a holotype ...

According to the Chinese Zodiac, which follows a 12-year cycle, each year is represented by a different animal, all embodying ...

When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

We’re not talking about big thru-hikes, but extended walks on pathways through glorious landscapes in spectacular parts of the world ...