Comets
The Sun is Slowly Tearing This Comet Apart
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,…
We Already Have the Technology to Save Earth From a “Don’t Look Up” Comet or Asteroid
What if a 10 km (6.5 mile)-wide asteroid was on a bee-line towards Earth, with an impending, calamitous impact just…
Why don’t Green Comets Have Green Tails?
Comets with a green glow don't have green tails, and a new set of lab experiments tells us why.
The Real Science Behind the Movie “Don’t Look Up”
The new movie “Don’t Look Up” -- now available on Netflix -- is not your usual sci-fi disaster film. Instead,…
This Video of Comet Leonard (with Venus and Mercury) will Blow Your Mind
Since early this year, skywatchers on Earth have been tracking Comet Leonard, a kilometer-wide dirty snowball made of ice, rock…
The Biggest Comet Ever Seen Will get as Close as Saturn in 2031
A mega-comet – potentially the largest ever discovered – is heading from the Oort Cloud towards our direction. Estimated to…
A Newly-Discovered (Almost) Dwarf Planet Will Come Surprisingly Close in 2031
It’s good to remember how little we know about the outer solar system. Humans only really began observing it within…
Comets Have Tails of gas, Dust… and Metal?
In outer space, an object’s location has a huge impact on its temperature. The closer the object is to its…
Extrasolar Object Interceptor Would be Able to Chase Down the Next Oumuamua or Borisov and Actually Return a Sample
What if we had the ability to chase down interstellar objects passing through our Solar System, like Oumuamua or Comet…
A Comet Seen at the end of its Life. It’s covered in talcum powder
Astronomers finally managed to observe a comet nearing the end of its life. And they found that it's covered in…