During its recent mini-moon stint, scientists studied the 2024 PT5 from Earth. Based on the cosmic object's composition and ...

Learn more about the NASA instrument’s mission to take the first full image of Earth’s magnetic field.

Alinda is one of the five largest near-Earth asteroids, coming closer than 9.3 million miles until the year 2200.

On Jan. 13, bright Mars will disappear behind the full moon for several hours. It's the only lunar occultation of Mars ...

Pluto and its largest moon Charon could have come together via a 10-hour “kiss-and-capture” encounter after a grazing ...

The Wolf Moon, January's full moon, will reach peak illumination Monday. The previous full moon was December's Cold Moon.

"The temperature just wildly swings from extremely hot to extremely cold," John Monnier, a professor of astronomy at the ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

Venus is particularly bright in the night sky this month, outshining even Sirius, the brightest star. For observers at ...

Researchers at NASA’s Jet Propulsion Laboratory (JPL) have calculated a new system for measuring lunar time. While not needed ...

Learn key facts about the Moon: from its significant distance and relative size compared to Earth to its distinctive color ...