Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

This January, the night sky offers a stunning display featuring the Quadrantid meteor shower and a rare alignment of four bright planets visible in a single view. Witness Mars at opposition, shining ...

January 2025 ushers in an extraordinary planetary parade as Venus, Saturn, Jupiter, and Mars align in a rare and dazzling ...

Though Carter never claimed to have spotted aliens or a flying saucer — to him this was literally an unknown object in the air — people snickered and mistook his UFO sighting as such. Skeptics, who ...

The best time to witness the celestial event will be just after sunset starting Jan. 10. A meteor shower will also be visible ...

From the northern lights ringing in the New Year to a spectacular meteor shower, January is shaping up to be an exciting ...

But if you went to Venus ... main theories for why some planets have moons. Moons are either gravitationally captured if they are within what's called a planet's Hill sphere radius, or they're formed ...

The best time to witness the celestial event will be just after sunset starting Jan. 10. A meteor shower will also be visible ...

From November 6-8, 2024, the NASA Science Activation Program’s Planetary Resources and Content Heroes (ReaCH) project held a ...

NASA's record-setting spacecraft was just 3.8 million miles from the sun's surface—the closest any human-made object has ever ...

The Quadrantids, which peak in early January each year, are considered to be "one of the best annual meteor showers," according to NASA. "Most meteor showers have a two-day peak, which makes catching ...

In 2024, space exploration dazzled the world. NASA’s Europa Clipper began its journey to study Jupiter’s moon Europa.