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

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 ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth in ...

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

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

Gianluca Masi from the Virtual Telescope Project captured imagery of comet C/2022 E3 (ZTF). The comet's closest approach to Earth at 26.4 million miles (42.5 million km) away. Credit: Gianluca Masi / ...

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

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

While it is already dimming after a close encounter with the sun, Comet C/2024 G3 (ATLAS) – also called the Great Comet of ...

Comet C/2024 G3 (ATLAS) seen above ESO's Paranal Observatory in Chile on Jan. 21, 2025. ESO's Very Large Telescope sits atop ...

Chodas added that the actual size of the asteroid, which astronomers are trying to determine with follow-up observations using multiple telescopes, is currently highly uncertain. “If the ...

Thursday night could be one of the last nights you'll be able to see a super rare comet and its bright tail streaking across the Australian skies. It's called Comet C/2024 G3 (ATLAS) and for the ...