Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

One of the biggest features of Mars affecting the weather there is dust. Because Mars is smaller than Earth, it has lower gravity at around one-third of the strength of gravity on Earth (via NASA).

Astronomers have identified a wildly distorted world that looks less like a sphere and more like a squeezed citrus fruit, and ...

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the ...

A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS, image processing by Tanya Oleksuik The planet Jupiter has no solid ...

TAMPA, Fla. (WFLA) — NASA unveiled brand new images and video on Monday of the Mars Perseverance Rover touching down on the red planet last week, as well as the first sounds recorded from the planet’s ...

Salt water may form on the surface of Mars for a few days every year, according to new research. The study by Norbert Schorghofer, a senior scientist at the Planetary Science Institute, explains that ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

NASA's Jet Propulsion Laboratory says Perseverance's new image is "one of the sharpest panoramas of its mission so far." When you purchase through links on our site, we may earn an affiliate ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...

When a planet transits in front of its parent star, some of the light is not only blocked, but if an atmosphere is present, filters through it, creating absorption or emission lines that a ...