In the scorching deserts of Namibia, Oman, and Saudi Arabia, scientists have discovered intriguing structures in marble and ...

In deserts, life can often seem impossible. But scientists keep discovering new ways that life can thrive in even the ...

Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of microbes bored into the rock remains unknown, as does ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

TERLINGUA, Texas — Paddling the Rio Grande River offers a unique adventure in the southwestern United States, but it is a ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...