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 ...

NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...

NASA is keeping a close eye on a bus-sized asteroid that's expected to skim past Earth tomorrow morning. It's one of five ...

For spinning spheres, centrifugal force is maximized at the equator, where the rotational speed is highest. The amount of the ...

Astronomers using the James Webb Space Telescope have detected possible signs of gases released by volcanic activity on a ...

New research co-authored by Duncan Watson-Parris of UC San Diego’s Scripps Institution of Oceanography and the Halıcıoğlu ...

November's spectacle closes out a series of four big and bright full moons that have captivated sky watchers since late ...

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

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

Past a prison and an elementary school, the T15 pipeline will traverse 45 miles of North Carolina countryside that Shelley ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer ...