Perovskite solar cells operated for months in low Earth orbit and tolerated radiation equivalent to decades in space, marking the most comprehensive orbital test of the technology.

A 1 Gw orbital data center would cost roughly $42.4B—almost three times its ground-bound equivalent.

Greetings stargazers. The current sunspot cycle maximum continues to amaze. Several times during the past year, the Aurora ...

The Moon will cover 96% of the Sun during the event.

Engineers affiliated with the China Academy of Space Technology and its Qian Xuesen Laboratory have laid out a concrete technical roadmap for building a kilometer-scale solar power station in orbit, ...

In A Nutshell Ancient frozen chemistry: New analysis of pristine samples from asteroid Bennu suggests its amino acids formed ...

Climate researchers in Corvallis are warning that rising global temperatures could create an irreversible feedback loop.

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s water largely receded 6,000 years ago. Could it return?

Elon Musk’s plans for space data centres may be decades away, but experts warn nations cannot afford to wait until they are a ...

The merger of SpaceX and xAi will finance Elon Musk's artificial intelligence ambitions, including a futuristic plan to blast ...

NASA’s SPHEREx telescope spotted interstellar visitor comet 3I/ATLAS flaring up while exiting the solar system. Scientists explain what caused it.

Orbital AI aims to solve a few pressing structural needs, starting with the relentless demand for data-processing speed.