Space News & Blog Articles

The universe is composed of 92 naturally occurring elements, yet a few dominate the cosmos. The overwhelming majority of the universe's ordinary matter is made up of just two elements: Hydrogen and Helium.

By peering deep inside Orion's star-forming gas clouds, radio astronomers have been able to directly measure the masses of young binary stars, confirming that our theoretical models are on the right lines.

The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.

"With the James Webb Space Telescope now revealing more supermassive black holes in the early universe, this mechanism may help bridge the gap between theory and observation."

"We're on an express elevator to hell, goin' down!"

A United Launch Alliance Atlas 5 551 rocket flew away from Space Launch Complex 41 at Cape Canaveral Space Force Station to begin the Leo Atlas 6 mission for Amazon Leo. Image: Adam Bernstein/Spaceflight Now

Update April 27, 9:30 p.m. EDT (0130 UTC): ULA confirmed deployment of the 29 Amazon Leo satellites.

HBO Max just added the Alien movie special editions to celebrate Alien Day; here are all the major differences between the theatrical & director's cuts

The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its closest approach.

A SpaceX Falcon 9 rocket launched 25 Starlink internet satellites to orbit from California on Sunday (April 26). It was the company's 50th liftoff of the year already.

Telescopes are essential tools for astronomers, allowing us to capture light from distant celestial objects and study the universe. From ground-based giants to orbital observatories, these instruments have revolutionized our understanding of space.

We've already played a chunk of Owlcat Games' take on The Expanse, and it looks like the hard sci-fi Mass Effect successor we were hoping for.

Voyager 1, one of NASA’s longest continuously running interplanetary missions, had another instrument turned off last week, in an effort to keep the spacecraft operational. On April 17th, controllers turned […]

Being aware of the night sky even as you walk, even through a city, can give you a grounding in learning bright stars, constellations and how the night sky changes.

A United Launch Alliance Atlas V rocket is scheduled to launch 29 of Amazon's internet satellites tonight (April 27), and you can watch it live.

The Small Magellanic Cloud, a neighbor of our Milky Way galaxy, stuns in this ambassador's picture.

What factors impact how long it takes for a supermassive black hole binary to merge?

Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.

AI algorithms can sharpen naturally blurry images taken by ground-based telescopes, revealing details otherwise visible only to space-borne machines like Webb and Hubble.