Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning.

Firefly Aerospace 's moon-bound spacecraft has provided the closest thing to a reflecting pool in space, showing Earth as an ...

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

There is an estimated 2.3% chance that the 2024 YR4 asteroid is heading our way. Here's everything you need to know about the ...

A terrifying new animation has revealed the projected path of the 'city-destroying' asteroid heading towards Earth.

Since the asteroid YR4 was first discovered in December 2024, the odds that it could crash into earth have more than doubled.

A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.

On the Webb telescope, 18 hexagonal mirrors combine to form a massive primary mirror that is 21 feet (6.5 meters) across. The ...

Most massive galaxies have black holes at their cores that emit energetic particles, heating the galaxy’s gas and dust.

We asked experts at NASA and the Massachusetts Institute of Technology what scientists know about the asteroid that could ...

Astronomers have opened up the James Webb Space Telescope (JWST) to foreign scientists to determine how much damage the ...