Ancient Martian life may have died out in self-induced climate change
Modern Mars is extremely cold and drier than any desert on Earth, with a very thin atmosphere. But this wasn’t always the case...
Super-Earths are bigger, more common and more habitable than Earth itself
Astronomers are discovering more of the billions they think are out there
The Top 10 Activities For Burning Calories (By Calories Burned In An Hour)
Boxing is the best