The Challenger wasn’t the nation’s first space tragedy. Reaching for the stars comes with a cost. But this was the first spaceship to break apart on live television, exploding before our very eyes -- ...

Blue Origin is pausing flights aboard its suborbital space tourism rocket New Shepard in order to expedite development of a ...

Last fall, a plane took off from Ottawa, Ontario, with some unusual cargo: a collection of nonviable human embryos and eggs.

From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning mysteries.

Earlier telescopes, including Hubble, revealed the Helix as a serene, eye-shaped glow. Webb presents a more intimate view, one that emphasizes motion, temperature, and chemistry. It connects the death ...

For the first time, NASA's James Webb Space Telescope has seen a young star forge crystals in blazing heat and hurl them to ...

Webb’s latest image of the Helix Nebula reveals a dramatic close-up of a dying star shedding its outer layers. The detailed ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

The James Webb Space Telescope has picked up the light from a massive star that exploded about a billion years after the ...