He’s been to space, ran NASA and can do 40 pushups at IHOP. Here’s why Bill Nelson thinks Musk must rethink his Mars plan

The former NASA astronaut and the agency’s 14th administrator says it’s not a matter of if we go to the Red Planet — but when ...

These Two Comets Will Be Visible All October – Here's How You Can See Them

Recently, scientists discovered a number of new comets, two of which will be passing by Earth in October. Here's everything ...

Mysterious faraway cosmic object could be dark matter or dwarf galaxy, study says

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...