NASA announced the winners of the high stakes science instrument competition to fly aboard the Mars 2020 rover at a…
Jets — narrow beams of matter spat out at a high speed — typically accompany the most enigmatic astronomical objects.…
In case you need a reminder that the solar system was a harsh place to grow up, the early Earth…
WOW! We're really getting to the good stuff now! This is no computer-generated shape model, this is the real deal:…
There have been several proposals in recent months to visit asteroids -- NASA is talking about sending astronauts to an…
Comets are renowned for their big beautiful tails that stretch across the sky. But what's in those things, anyway? And…
It feels like a real stargazing session watching this video. You head out at dusk, waiting for the first few…
The shape of the moon deviates from a simple sphere in a way that scientists have struggled to explain. But…
It’s a well-kept secret that the vacuum of space is not — technically speaking — a vacuum. Strong winds generated…
When it comes to exoplanets, we’ve discovered an array of extremes — alien worlds that seem more like science fiction…