A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than ...

What if humanity could no longer live on Earth? Perhaps a catastrophic event forced us to find a new home among the stars.

Launch Complex 39A at NASA’s Kennedy Space Center in Florida is accustomed to getting makeovers. It got another one Wednesday with the removal of the Crew Access Arm used by astronauts to board their ...