Featured in alpha centauri
The biggest comet ever found is cruising through our solar system’s far reaches
Though it's headed in our direction, the Bernardinelli-Bernstein comet will completely miss Earth.
Five questions about NASA’s plans to visit an alien world in 2069
Like, can we even do that?
‘Project Blue’ Aims To Take The First Snapshot Of A Twin Earth
Seeking a distant pale blue dot
How We Could See The New ‘Earth-Like’ Planet Up Close
We need tiny spaceships. Lots of 'em.
Space Dust Could Destroy Our Best Shot At Getting To Proxima Centauri
When you're traveling this fast, every little speck counts
Three Questions About Breakthrough Starshot
The enormously ambitious mission faces a few challenges
Stephen Hawking Answers Our Questions On The Breakthrough Starshot Initiative
Here's what the astrophysicist says about the future of space exploration
Yuri Milner And Stephen Hawking Will Send Alien-Seeking Probes Into Deep Space
Going to Alpha Centauri "within a generation"
Why Go To Alpha Centauri?
Sid Meier and Yuri Milner know why
So How Exactly Do We Get To Alpha Centauri?
The star system is 25 trillion miles away