Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

Though it begins with its cinematic feet affixed to the ground, French writer-director Jérémy Clapin's "Meanwhile on Earth," ...

Using the James Webb Space Telescope (JWST), astronomers have peered into the atmosphere of a cosmic body that could be a ...

Lowell searched for this elusive planet, but he died in 1916 having never found it. Using a tool called a blink comparator, Tombaugh finally found the mysterious body in 1930. The machine involved ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars ...