Comets

Did a Comet Wipe out the Dinosaurs?

About 66 million years ago a massive chunk of rock slammed into Earth in what is the modern-day Yucatan Peninsula.…

1 week ago

Comet Records From 1240 Accurately Date When a Byzantine Princess Died

Rome was the world's first mega-empire. At its height it stretched from Western Europe to the Middle East, and over…

3 months ago

Solid Phosphorus has been Found in Comets. This Means They Contain All the Raw Elements for Life

Did comets deliver the elements essential for life on Earth? It's looking more and more like they could have. At…

3 months ago

One of the Building Blocks of Life Can Form in the Harsh Environment of Deep Space Itself. No Star Required

In many ways, stars are the engines of creation. Their energy drives a whole host of processes necessary for life.…

3 months ago

Even Comets Can Have Auroras. Comet 67P/Churyumov-Gerasimenko Does

The ESA's Rosetta mission to Comet 67P/Churyumov-Gerasimenko ended four years ago. On September 30th 2016 the spacecraft was directed into…

5 months ago

Rosetta’s Philae Lander Was Alive on the Surface of 67P for 63 Hours, Trying to Communicate

In August 2014, the ESA's Rosetta spacecraft arrived at its destination, Comet 67P/Churyumov-Gerasimenko, after a 10 year journey. Rosetta carried…

6 months ago

Comet NEOWISE Was Spiraling and Spinning as it Passed by Earth

Earlier this week, we shared an image of Comet NEOWISE (C/2020 F3) taken by the Hubble Space Telescope. And now,…

6 months ago

Everyone Took Pictures of Comet NEOWISE, Including Hubble

This summer we were (finally) treated to a spectacular, naked-eye comet, C/2020 F3 NEOWISE. And while seeing it with our…

6 months ago

Organic Matter Could Have Delivered Earth’s Water

The origin of Earth's water is a big piece of the puzzle in Earth's history. Did it come from comets…

7 months ago

Parker Solar Probe Gives a Unique Perspective on Comet NEOWISE

Comet watchers have enjoying the newly-discovered NEOWISE comet since it was first spotted in March 2020. Now that it's visible…

8 months ago