Former NASA astronaut Mike Massimino, known for his work on the Hubble Space Telescope and who flew on two space missions, has weighed in on one of humanity's biggest questions: Are we alone in the ...

"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...

Now, Nasa and its European counterpart have released new images of 31/ATLAS ahead of its close encounter with Earth on ...