Astronomers have identified a rare and unusually fast asteroid racing through the inner solar system. Known as 2025 SC79, the ...

On the early morning of October 19, a slender crescent moon pairs with the brightest planet, Venus, creating a stunning ...

From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one of the highlights of the month? The impending meet-up of Jupiter and ...

The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. And one of the highlights of the month? The impending meet-up of Jupiter and ...

The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...

Reanalysis of NASA's Pioneer Venus mission data reveals that Earth's twin contains 62% water in hydrated compounds.

Venus is often known as Earth’s twin because it is the closest planet to Earth in size, mass, and composition. Both are rocky ...

Six planets are hanging out in the sky this month in what’s known as a planetary parade. Catch the spectacle while you can because it’s the last one of the year. These linkups happen when several ...

Massive lava-carved tunnels have been confirmed beneath the surface of Venus, providing the strongest evidence yet that the planet's volcanic past created underground networks unlike those ...