Space Flight

Ask Ethan: What right do we have to colonize other worlds?

In all the known Universe, Earth is the…

How NASA’s Europa Clipper helps the hunt for alien life

Could life be widespread throughout the…

Fastest spacecraft ever built to break its own speed record

The Parker Solar Probe is about to undergo…

RIP Apollo 8 astronaut Bill Anders, who rediscovered Earth

In December of 1968, human beings made…

Remembering the fallen heroes of spaceflight

Memorial day is a time to remember veterans killed in the…

Ask Ethan: Could the ‘Breakthrough Starshot’ project even survive its planned journey?

I wrote the book on warp drive. No, we didn’t accidentally create a warp bubble.

The same (former)…

NASA Finally Contacts Voyager 2 After Unprecedented Seven-Month Silence

As long as it remains…

Could We Achieve Interstellar Travel Using Only Known Physics?

It doesn’t have to be a science-fiction…

What Really Kept American Women From Going To Space For So Long?

A fascinating new book tells the…