But it's not time to panic.
It's a groundbreaking step, but hardly surprising.
The news isn't great, but it's not a showstopper either.
Deep Sea Meets Deep Space
We all like having options.
Rodents suffer from cognitive problems months after encountering space-like radiation
Astronauts could call one of these home sweet space-home
Deep Space Industries' Prospector-1 will hunt for valuables and land on an asteroid
A lesson from the Apollo missions
For the moon, Mars, and beyond
Going to Alpha Centauri "within a generation"
Shooting for the stars.
One boring task for machine, one great leap for robots
The next big step towards sending humans to Mars
Before we built the International Space Station, these concepts promised incredible futures.
A daily dose of beautiful from the DSCOVR satellite
A controversial bill would give companies the right to own natural resources in space, and it may pass in the Senate by the end of September
Full steam ahead for Mars
Robo space miners, deploy!
Where no yeast has gone before
This isn't good news for a future Mars trip
NASA's second attempt to fly a capsule that could take us to Mars was a success