Celebrate a Harvest Moon lunar eclipse and an occultation of the planet Saturn, just days before Neptune reaches opposition.

Royal Observatory Greenwich’s Astronomy Photographer of the Year winners announced including nebulae, skyscapes, and more.

Come 2034, humans could witness the first-ever artificial meteor shower sparked by activity in space.

Commander Jared Isaacman and mission specialist Sarah Gillis each spent a few minutes outside the Dragon capsule, performing ...

Aged 69, the chemical engineer has already spent more than a year in space. And he’s far from the oldest person to fly beyond ...

New observations show the bubbling surface of the red giant star R Doradus, a feat previously only achievable with the Sun.

A photon traveling through the curved space-time near a black hole isn't so much pulled as falls into the the black hole.

The gargantuan rocket’s fifth test flight will attempt a complex booster ‘catch’ maneuver, but not for at least a few months.

Space travel comes with risk − and SpaceX’s Polaris Dawn mission will push the envelope further than any private mission has ...

Launch pads, however, are often overlooked even by spaceflight afficionados. Still, without a well-designed and properly ...

A National Academies committee says the space agency is prioritizing short-term wins and commercial arrangements over the ...

Dead satellites still pose a threat to future space missions — and the problem is only getting worse. Here's what we might do ...