A Plan B for space? On the risks of concentrating national space power in private hands

Private companies are no longer peripheral participants in U.S. space activities. They provide key services, including launching and deploying satellites, transporting cargo and astronauts to the International Space Statio…

Where are all the aliens? Maybe space weather is scrambling their transmissions

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Living in space can change where your brain sits in your skull – new research

Going to space is harsh on the human body, and as a new study from our research team finds, the brain shifts upward and backward and deforms inside the skull after spaceflight.

Will Proba-3 phone home? European solar-eclipse satellite goes dark

One of Europe’s two Proba-3 spacecraft suffered an anomaly last month, putting the future of the solar eclipse-creating mission in doubt.

NASA wants to accelerate its Artemis missions to the moon. It will need to drop some big hardware to do it.

A big restructuring of NASA’s plans to land astronauts on the moon is adding missions and speeding up the timeline, but some hardware might have to be cut loose in the process.

Did Earth life actually begin on Mars? Asteroid impacts could let microbes planet-hop, study suggests

“Life might actually survive being ejected from one planet and moving to another.”

Japan’s 1st HTV-X cargo craft leaves the International Space Station (photo)

Japan’s new HTV-X cargo spacecraft departed the International Space Station today (March 6) after a four-month stay.

Rocket Lab launches mystery satellite for ‘confidential commercial customer’ (video)

Rocket Lab launched a mystery satellite for a confidential commercial customer this evening (March 5). It was the company’s 83rd liftoff to date.

Enormous solar power array seen from orbit | Space photo of the day for March 5, 2026

This stunning satellite image of Ouarzazate, Morocco, was taken by Europe’s Copernicus Sentinel-2 mission.

Vast raises $500 million to keep developing ‘Haven’ private space stations

Vast has raised $500 million in new funding, which the California startup will put toward its goal of getting private space stations up and running in Earth orbit.