NASA's Mars Reconnaissance Orbiter recently photographed Candor Chasma in Mars' Valles Marineris, the largest canyon in the ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

A solar energy company in Canada's southernmost city says it is reducing carbon emissions in Canada's north by nearly 1.3 ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

The OSIRIS-REx mission, which delivered over 120 grams (4.2 ounces) of Bennu ’s soil to Earth in 2023, is the largest haul of ...

It was once unimaginable to power your home by sunshine. Now, not only can solar energy keep your car charged and your AC or ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered ...