The moon is pretty inhospitable to humans, but recent research has found that it's surprisingly possible for breathable air ...

With the search for Tim Killeen’s successor set to commence any week now, Editor Jeff D'Alessio asked 72 faculty members ...

The Hubble Space Telescope is suddenly facing a much shorter future than many astronomers expected, with new modeling ...

A supermassive black hole in a distant disk galaxy is behaving in a way that defies expectations, carving out a graceful S in ...

The history of the rocket stretches back far longer than most people realize. Long before spaceflight, early civilizations ...

Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...

The theory that gravitons lose energy thru gravitational redshift while traveling against the force of a gravitational field ...