Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing ...

The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

New radio images reveal an unusually faint and symmetrical supernova remnant, nicknamed Telios, lurking just below the ...

Jupiter's already the big kahuna of the Solar System, an absolute unit of a planet with a mass 2.5 times greater than all of ...

How big is space?Space is really big. Thinking about our solar system, let's imagine you could get in a car and drive to Pluto at ...

The team's calculations indicate that young Jupiter had a radius nearly twice its current size, with a volume large enough to ...

A s the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else ...

Astronomers have identified Zhúlóng, a spiral galaxy existing 12.8 billion years ago, using the James Webb Space Telescope.

A new preprint suggests that an ancient Chinese star catalog dates to 355 B.C.E. But other researchers aren't convinced, ...