Space News & Blog Articles

Image: A celebrity cluster in the spotlight

Planet X is a term used to describe a hypothetical major planet in the outer solar system, beyond Neptune, whose existence was initially inferred from unexplained gravitational perturbations of Uranus and Neptune. Although the search was largely satisfied with the discovery of Pluto, the concept of a distant, undiscovered world has seen a resurgence following new astronomical observations.

A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 East at Vandenberg Space Force Base on Jan. 21, 2026, to begin the Starlink 17-30 mission. Image: SpaceX

Update Jan. 21 2:20 a.m. EST (0720 UTC): SpaceX confirms deployment of the 25 Starlink satellites.

The fact that Crew-11 returned to Earth safely despite unprecedented circumstances bodes well for the success of future missions that go farther afield, astronauts said.

It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.

Mira the Wonderful is back! Of course, it's always been there, but now it's near maximum brightness and easily visible with the unaided eye.

Great Scott! Legends of Tomorrow still rocks even 10 years later.

Astronaut Suni Williams left NASA late last month after 27 years of service. She spent a total of 608 days in space, more than all but one other American astronaut.

Blue Origin just announced "TeraWave," a planned satellite megaconstellation designed for customers who need super-high-throughput communication services.

"Dark matter can be red hot when it is born, but still have time to cool down before galaxies begin to form."

Bungie's next game returns with a new in-engine trailer and more details ahead of its long-awaited release.

With a host of exciting new Marvel and Star Wars releases landing this year, Disney Plus is the streaming subscription to have in 2026 and now it's a third cheaper with this UK-only deal.

The photos were taken during a severe G4 geomagnetic storm, one of the strongest in years.

The first emergency operation in the history of China's human spaceflight program ended on Jan. 19 when an uncrewed Shenzhou 20 capsule damaged by a space-junk strike came safely down to Earth.

The Large Magellanic Cloud, or LMC, is a key spot for astronomers to study star formation.

Starfish Space just scored a $52.5 million contract to deorbit satellites for the U.S. Space Force, the first deal ever signed for such "end of life" disposal services for a constellation in low Earth orbit.

The four astronauts of SpaceX's Crew-11 mission will discuss their shorter-than-expected stay aboard the International Space Station today (Jan. 21), and you can watch it live.