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

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 ...

The possibility of traveling to other stars still seems out of reach, but since 2012 the UK-based organization i4is has been ...

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

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

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 ...

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

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

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...