The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...

While astronomers often set their sights on the stars, the landscapes surrounding their observatories can be just as ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...

There will also be two total lunar eclipses that occur during the March and September full moon events. A lunar eclipse, ...

Astronomers are turning to NASA's James Webb Space Telescope to learn more about asteroid 2024 YR4, which has a 2% chance of ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

This artist's concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy.

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.