What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

What would happen if Earth, Mars, and all the planets in our solar system merged into one massive super-planet? In this video ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

So, what do we know about which planets emerged early, and which ones developed later on? Despite advanced techniques like dating organic materials from space, going on multiple visits to the moon, ...

Microbes high in Earth’s stratosphere produce pigments to protect them from UV light – so similar molecules could be ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...

Researchers are studying eccentric warm Jupiters, giant exoplanets that follow odd, elongated orbits unlike anything in our solar system.

Humanity's drive to explore has taken us across the solar system, with astronaut boots, various landers and rovers' wheels ...