73 Results

The Safety Belt of Our Solar System

Mapping the heliosphere, which shields us from harmful cosmic rays.

Looking for Life on Mars

An astrobiologist and a director on the joys and challenges of filming space science.

Where Aliens Could Be Watching Us

More than 1,700 stars could have seen Earth in the past 5,000 years.

The Planets with the Giant Diamonds Inside

Mining the mysteries of Uranus and Neptune.

Should We Terraform Mars? Let’s Recap

Elon Musk wants to engineer Mars’ atmosphere. Can he?

The Profound Potential of Elon Musk’s New Rocket

An aerospace engineer explains why SpaceX’s Starship will change everything.

Comets Are More Dangerous Than We Thought

Could a comet, not an asteroid, have killed the dinosaurs?

If Aliens Exist, Here’s How We’ll Find Them

Two esteemed astrophysicists peer into the future of space exploration.