Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

We live in uninteresting times. Since the ructions that created the planets in the solar system’s first 100 million years (see “How was the solar system built?”) – and apart from an early migration of ...

A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Every spacecraft launched from Earth inherits the planet’s roughly 67,000 mph orbital speed, which becomes a huge obstacle ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

Astronomers have obtained the sharpest images ever taken of a bright, long-studied asteroid in the main belt and found ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...