The first and most famous "failed star" discovered by humanity isn't one brown dwarf, but two! The duo comprising Gliese 229B ...

Our planet’s surface is littered with debris from the skies — and researchers have found that most come from only a few ...

Along the lunar orbital path, the point of closest proximity is known as perigee, which is when the moon is, on average, ...

Astronomers resolve longstanding mystery of Gliese 229B's dimness, despite its considerable mass. A Caltech-led team ...

Scientists say a celestial object discovered decades ago is actually twins orbiting each other. The discovery was published ...

Exploring the Enigmatic Secrets of Europa, Jupiter's Icy Moon Scientists were puzzled by one of Jupiter's fascinating moons, ...

Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.

Considering that at its closest, Jupiter is just 590 million kilometers (365 million miles) away, and never gets more than a ...

NASA and SpaceX have launched NASA’s Europa Clipper mission to Jupiter’s icy moon Europa atop a SpaceX Falcon Heavy rocket.

Volatiles, which include water and the six most common elements found in living organisms, are crucial for life as we know it ...

More than 42,000 Africans’ names are in a spacecraft launched from the United States on Monday, destined for a faraway moon called Europa that orbits Jupiter.

NASA is launching a coding competition to get some much-needed help with organizing images from April's solar eclipse for the ...