The fourth satellite for the Copernicus Sentinel-1 mission, Sentinel-1D, has arrived at Félix Eboué airport, the main airport in French Guiana. From there the spacecraft, safely stored in its protective casing, will be transported to launch preparation facilities at the European Spaceport in Kourou.

The James Webb Space Telescope caught the birth of an enormous star with particle beams cutting across a stretch of interstellar space.

One of SpaceX's broadband-beaming Starlink satellites has been captured overflying a top-secret airbase in China that was photographed by a private American Earth-observation satellite.

The ZWO Astronomy Photographer of the Year Award 2025 will be streamed live online on Sept. 11.

Don't let light pollution put you off stargazing or astrophotography, I managed to see galaxies, nebulas and star clusters all in Bortle 7 and 8 class night skies.

Telepathy, good vs evil, heroes fulfilling their destiny… If the "Strange New Worlds" finale 'New Life and New Civilizations' isn't fantasy, it isn't far off.

The European Space Agency’s Plato spacecraft has safely arrived at ESTEC, ESA’s technical heart in the Netherlands. There, engineers will complete the spacecraft by connecting its solar panels and sunshield, and carry out a series of critical tests to confirm that Plato is fit for launch and ready for its planet-hunting mission in space.

Though NGC 7456 looks like a modest spiral galaxy, new Hubble and XMM-Newton observations reveal a bustling system with star-forming regions and an active core.

Exoplanets: Worlds Unseen

The search for exoplanets, planets outside our solar system, has revolutionized our understanding of planetary formation and the potential for life beyond Earth. Thousands of exoplanets have been discovered, showcasing an incredible diversity of sizes, compositions, and orbital characteristics.

We'll likely need to get Perseverance's samples to Earth to determine if they do indeed harbor evidence of Mars life —but the prospects of such a mission are cloudy at best.

A Russian Progress freighter loaded with 2.8 tons of cargo will launch toward the International Space Station today (Sept. 11), and you can watch it live.

S&T editors attended star parties in the past months in various locations around the country to observe with fellow stargazers.

Destiny 2’s next chapter is bringing in themes and elements from a galaxy far, far away without breaking the canon.

SpaceX just bought $17 billion worth of satellite spectrum from debt-ridden operator EchoStar to enhance Starlink direct-to-cell phone connectivity.

SpaceX’s Falcon 9 rocket is pictured in the launch position at Space Launch Complex 40 at Cape Canaveral Space Force Station on Monday, Sept. 8, 2025, ahead of the first launch attempt of the Nusantara Lima communications satellite. Image: SpaceX

Update Sept. 10, 5:55 p.m. EDT: SpaceX scrubbed the mission, targeting no earlier than Sept. 11.

In an era when TV shows look like movies, have we lost sight of what should make sci-fi great?

Disney/Pixar's interstellar odyssey landed on 4K UHD, Blu-ray, and DVD for all Earthlings!

Water may have flowed on the asteroid that birthed the space rock Ryugu a billion years after it formed, much later than previously thought, changing our perception of the early solar system.

The Celestron StarSense Explorer DX 130AZ telescope is on sale for $367 on Amazon and is a great budget choice for observing the opposition of Saturn overnight on Sept. 20.