The six planets were visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, Venus, ...

Astronomers discovered the exoplanet in 2016, a gas giant that’s slightly larger than Jupiter with a fraction of its mass, ...

The mystique of Mars has been studied for centuries. The fourth planet from the sun is reminiscent of a rich, red desert and features a rugged surface challenging to traverse. While several robotic ...

A parade of planets will be visible to skywatchers around the globe through the rest of this month and into February.

The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean might have occupied Mars' northern hemisphere. To view the Martian ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

NASA's James Webb Space Telescope has captured the infrared glow of an ancient supernova's light echo, revealing ...

There are no stars in the sky for the same reason you don't see stars during the day on Earth, according to NASA: The bright ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.

Webb's observations of infrared light echoes near Cassiopeia A unveil the complex 3D structure of interstellar dust and gas, ...

Once upon a time, the core of a massive star collapsed, creating a shockwave that blasted outward, ripping the star apart as it went. When the shockwave reached the star's surface, it punched through, ...