Richard Branson enlists the venerable cosmologist to unveil their new space ship
Stephen Hawking wants a ride. Do you?
It's not just a big deal for future space tourists, either.
Giving small satellites a boost
The deadly crash killed co-pilot Michael Alsbury and cast a pall over commercial spaceflight
The space race is officially back on, but slower and steady may win the race
Spoiler alert: it's big
VSS Unity spends its flight clinging to its mothership due to high winds
Divest from Russia, with love
Time to step up your Twitter game, Earthlings.
Happy birthday to the best space telescope ever! Love, PopSci.
It's the final countdown
Not quite ready for takeoff
There's still more to explore after Pluto.
New Horizons will soon find out what's up with MU69.
The ancient Lyrid meteors have never failed to amaze us.
Plus, a harbor seal photobombs the Milky Way
Just a pale blue dot.
The next one isn't until 2033, so enjoy the pictures now
One of our writers went all the way to the remote Faroe Islands to get the best view of the event
Plus baby wolves
So long, Enceladus
This is anything but hot