Human crews headed for Mars are still looking at journeys that last most of a year, long enough for radiation, boredom and ...

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Google’s Project Suncatcher would need sophisticated collision avoidance capabilities to navigate a junk-filled landscape.

New data on comet 3I/ATLAS shows million‑km twin jets defying known physics. Experts debate if it's natural or engineered, igniting fierce scientific controversy.

For the hot end, an aluminium mount was pressed into soil, transferring the Earth’s ambient heat to the engine’s bottom plate ...

Engineers have built a modern Stirling engine that quietly turns the cold of outer space into steady mechanical power, using ...

There are several frozen moons in our solar system, orbiting the gas giants. Some of them, despite having temperatures that would make Antarctica feel tropical, have liquid water under the surface.

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, the enormous, donut-shaped region of icy objects beyond the orbit of Neptune. This latest “inner kernel” was identified by ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

"Solar Orbiter can now provide this missing piece of the puzzle." In a striking new view from space, the European Space Agency's Solar Orbiter has given scientists their first close-up glimpse of the ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth again—before it leaves our solar system. While the comet—first spotted in July—has ...