Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies offering crucial insights into the solar system’s formation.

Venus will pass to the north of the much-fainter bluish star Regulus (in Leo, the Lion) on the morning of Sept. 19; the planet and star will appear low in the east-northeast predawn sky, separated by ...

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

With the James Webb Space Telescope and updated processing techniques, researchers have detected asteroids just tens of ...

From a total solar eclipse that captivated our continent to record temperatures that scorched the planet, these were the ...

Researchers have doubled the number of known dark comets, identifying two distinct types: larger ones in the outer solar system and smaller ones in the inner solar system. This discovery raises new ...

Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...

Year? A light-year is the distance light travels in one year. Light moves incredibly fast — about 186,000 miles (300,000 ...

The rover trekked nearly 2,000 feet to get out of the crater, where it will explore a 4-billion-year-old environment.

The robotic explorer is preparing to observe some of the oldest rocks on Mars, which could reveal the planet’s mysterious ...