Jupiter is the most-visited planet in the Solar System, thanks largely to NASA. It all started with Pioneer 10 and…
Here's a thorny problem: What if life doesn't always appear on planets that can support it? What if we find…
Comets are messy things. They scatter bits of dust as they travel through the solar system. If Earth happens to…
Comets that venture close to the Sun can transform into something beautiful, but sometimes they encounter incineration if they get…
Comets, with their long, beautiful, bright tails of ice, are some of the most spectacular sightings in the night sky.…
It’s official. Comet C/2014 UN271 (Bernardinelli-Bernstein) has the largest nucleus ever seen in a comet. The gargantuan comet was discovered…
In 2014, the Japanese Space Agency JAXA launched the Hayabusa 2 spacecraft to visit asteroid Ryugu. It arrived at the…
Using ground-based and space-based observations, a team of researchers has been monitoring a difficult-to-see comet carefully. It's called Comet 323P/SOHO,…
What if a 10 km (6.5 mile)-wide asteroid was on a bee-line towards Earth, with an impending, calamitous impact just…
Comets with a green glow don't have green tails, and a new set of lab experiments tells us why.