A TOUGH lifeform could survive the brutal conditions of Mars. That's the verdict from scientists who spent five hours blasting it with a year's worth of Martian radiation. Lichens are common on Earth, ...

The key to determining which planets could host extraterrestrial life could be growing in the harshest deserts of Earth in the form of lichen. The secret to this discovery: the "world's best sunscreen ...

Learn why a lichen found in the Mojave Desert has become key evidence in the search for extraterrestrial life. Much like we lather on sunscreen to protect our skin, lichen growing in the desert has ...

“Alien” mantis species Liturgusa maya may have arrived in the Galápagos as a stowaway in agricultural material, according to a study. Getty Images/iStockphoto The newly confirmed presence of an “alien ...