Comets

Astronomers Watched a “Near-Sun” Comet Disintegrate as it Flew too Close to the Sun

Comets that venture close to the Sun can transform into something beautiful, but sometimes they encounter incineration if they get…

4 months ago

ESA Gives Green Light on its Comet Interceptor Mission

Comets, with their long, beautiful, bright tails of ice, are some of the most spectacular sightings in the night sky.…

4 months ago

Hubble Confirms Comet C/2014 UN271 is an Absolute Unit, Astronomically Speaking

It’s official. Comet C/2014 UN271 (Bernardinelli-Bernstein) has the largest nucleus ever seen in a comet. The gargantuan comet was discovered…

6 months ago

Asteroid Ryugu Might Actually Be a Dead Comet

In 2014, the Japanese Space Agency JAXA launched the Hayabusa 2 spacecraft to visit asteroid Ryugu. It arrived at the…

7 months ago

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,…

7 months ago

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…

8 months ago

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,…

9 months ago

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…

10 months ago

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…

12 months ago

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…

1 year ago