Time is running out for the recovery team before Earth and Mars move to opposite sides of the Sun on December 29, triggering a total communications blackout.

For most, getting into a car is a task that can be done without assistance. Yet for those whose destination is the moon, the ...

A new executive order sets an ambitious course for lunar exploration, missile defense, and commercial investment but overlooks the need for practical rules agreed to by all spacefaring countries.

From beginning to end, 2025 was a year of devastation for scientists in the United States. January saw the abrupt suspension ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...

Satellites confirm Calanus finmarchicus, crucial for North Atlantic right whales, sustaining their survival amid dwindling ...

Autonomous free-flying robots aboard the International Space Station (ISS) frequently lose their bearings. Without gravity to distinguish up from down, even precision sensors suffer from accumulating ...

A year-end recap of 2025 in space, covering NASA leadership changes, space policy, major missions, scientific discoveries and key events across orbit and beyond.

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

NASA’s SpaceX Crew-12 mission, scheduled for launch in February 2026, marks an important milestone in the exploration of ...