The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...
A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...
3I/ATLAS, the third-ever interstellar object to bump into the solar system since 1I/Oumuamua (2017) and 2I/Borisov (2019), ...
Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...
I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...
This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...
A little less than four years from now, a killer asteroid will narrowly fly past planet Earth. This will be a celestial event visible around the world—for a few weeks, Apophis will shine among the ...
On March 21, 2021, an object the size of the Empire State Building—traveling at 77,000 miles per hour—passed within 1.25 million miles of Earth. Asteroid 2001 FO32 was classified as "potentially ...