Often considered the strongest meteor shower of the year, the Geminids produce numerous colorful meteors every hour. During the 2026 peak, the moon will be a partially illuminated waxing crescent, so ...

If you're planning to gaze at the night sky in the upcoming year, be sure to mark these dates in your calendar.

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...

In late November, airlines around the world were told to urgently ground planes within their Airbus A320 fleets.

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

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 ...

Think a trip to Mars takes a few months? The reality of interplanetary travel is far more complex. This video breaks down the true travel times to every planet, from Mercury to Neptune, using real ...

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average ...

Scientists atop Mauna Kea on the Island of Hawai’i and across the Hawaiian chain are turning their telescopes skyward Friday ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

The NASA-funded ATLAS survey telescope in Chile found the comet on July 1. The comet was not visible as it raced behind the ...