Comets

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…

3 days ago

In 1.3 Million Years, a Star Will Come Within 24 Light-Days of the Sun

Using data from the Gaia Observatory, a team of Russian scientists have concluded that a star will make a close…

4 days ago

Earth Gains 5,200 Tons of Dust From Space Every Year

Whenever I wipe the dust off my coffee table or catch a glimpse of dust motes floating in sunlight, my…

1 month ago

Interstellar Comet Borisov is so Pristine, it’s Probably Never Been Close to a Star Before

By comparing our local Comet Hale-Bopp to the interstellar visitor 2I/Borisov, a team of astronomers have concluded that the interloper…

1 month ago

Comets Already Grow a Coma out in the Kuiper Belt

Just when do comets get their signature coma? Conventional wisdom says it only happens when they get close enough to…

2 months ago

Jupiter has Added a Comet to its Trojan Collection

Jupiter is notorious for capturing objects that venture too close to the gas giant and its enormous pull of gravity.…

2 months ago

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.…

3 months 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…

5 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…

5 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.…

6 months ago