NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...

Alas, the miracle could not last. The solar storms were heating Earth's upper atmosphere, causing it to inflate and increase ...

NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...

Was 2020’s ‘Don’t Look Up’ accurate? Find out what NASA revealed about an asteroid that will approach Earth in 2032.

CNN’s Patrick Cornell reports the James Webb Space Telescope is taking on a new space case helping protect the Earth from a ...

YR4, a near-Earth asteroid has a one-in-45 chance of hitting Planet Earth in December 2032, NASA and the European Space ...

YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Where things stand: The chances of the asteroid hitting Earth currently stand at 2.1%, or about 1 in 47, and could fall to ...