Comets

Spectacular Images of the Rare ‘Green Comet’ Gracing Our Skies

A rare ‘green’ comet is passing through our Solar System and astrophotographers have been out capturing photos. While this comet,…

5 days ago

Comet Impacts Could Have Brought the Raw Ingredients for Life to Europa’s Ocean

Jupiter is the most-visited planet in the Solar System, thanks largely to NASA. It all started with Pioneer 10 and…

1 month ago

We Could Spread Life to the Milky Way With Comets. But Should We?

Here's a thorny problem: What if life doesn't always appear on planets that can support it? What if we find…

1 month ago

Comets Leave Dusty Trails That Surround the Solar System

Comets are messy things. They scatter bits of dust as they travel through the solar system. If Earth happens to…

2 months ago

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…

7 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.…

8 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…

10 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…

10 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,…

11 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…

1 year ago