Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

Because the Moon is over a quarter the diameter of Earth, the Earth-Moon system is often cited as the pairing in our Solar ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

A total lunar eclipse will tint the Moon red-orange on the night of March 13 or early in the morning of March 14, depending ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...