Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

The asteroid, named 2024 VK3, will pass Earth at a distance of about 273,000 miles, just further than the moon's 238,900-mile ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Subscribe today and save an extra 5% with checkout code 'LOVE5' Engaging articles, amazing illustrations & exclusive ...

At Holtec International’s manufacturing facility in Camden, N.J., welders work to seal stainless steel canisters that will be ...

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...

Planets, moons, and the quest for life beyond earth As we explore the vast expanse of space, we embark on a journey that ...

Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...

For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more ... 25 before returning to the solar system.

The celestial object is more than just a guest staying over for a quick visit. It's here to stay, or at least until ...