Bennu Particle Plumes

The Sciences

Near-Earth Asteroids Could Supply Future Meteor Showers

Illustration of Comet Encke

Swarm of Near-Earth Comets Linked to Recent Ice Giant Breakup

Asteroids

Asteroids: What They Are and Where They Come From

asteroid is approaching earth in outer space illustration - shutterstock 1389010817

Planet Earth

Dinosaur-Destroying Asteroid Gave Rise to Modern Rainforests

life in space

Did Life on Earth Come From Outer Space?

dinosaur bones poking out of the ground - mass extinction concept -- shutterstock 1542671345

Asteroid, Volcano or Both? Scientists Can’t Agree on the True Dinosaur Killer

comet asteroid hitting planet earth in space - shutterstock

An Asteroid Didn't Kill Off the Dinosaurs — a Comet Did 

Apophis will pass close to Earth in 2029, but its path is well known. It will not hit us. (Credit: NASA-JPL)

Apophis: Doomsday Asteroid, or Just a Passing Space Rock? 

Asteroid belt illustration - shutterstock

The Asteroid Belt: Wreckage of a Destroyed Planet or Something Else?

history book - shutterstock

The Worst Year in History: Is 2020 a Contender?

Interstellar Comet Clark looms behind a world tinged orange by fire in the new disaster movie "Greenland." (Credit: STXfilms)

Attack of the Interstellar Comet

In 2022, the DART mission will practice deflecting an asteroid by crashing into it. But for now, there are no known asteroids that actually need deflection. (Credit: NASA/JHU-APL)

One Less Thing to Worry About (Mostly)

Discover Magazine’s award-winning journalism inspires and informs, delivering thought-provoking content that sparks meaningful conversations. With a focus on groundbreaking developments in science, technology, and the world around us, Discover highlights the impact of these innovations on our daily lives.

Discover Magazine

小行星

近地小行星可能为未来的流星雨提供补给

近地彗星群与最近的冰巨星解体有关

小行星：它们是什么以及它们来自哪里

毁灭恐龙的小行星催生了现代雨林

地球上的生命是否来自外太空？

小行星、火山还是两者皆有？科学家们对真正的恐龙杀手意见不一

不是小行星杀死了恐龙——是彗星

阿波菲斯：末日小行星，还只是路过的太空岩石？

小行星带：一颗被摧毁的行星的残骸，还是其他什么？

历史上最糟糕的一年：2020年是竞争者吗？

星际彗星的攻击

少一件烦恼事（大多如此）

保持好奇

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