The Artemis II mission, which took four US astronauts around the Moon and to a record-breaking distance from Earth, was a ...

Webb finds a massive planet, 29 Cygni b, orbiting a nearby star, offering new clues about how even the largest planets grow ...

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons.

Using the James Webb Space Telescope, astronomers have investigated the giant exoplanet 29 Cygni b — work that could clarify ...

NASA’s Juno spacecraft reveals Jupiter’s superstorms generate intense lightning, forming a powerful and complex electrical weather system.

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

Planets, like those in our solar system, form in a bottom-up process where small bits of rock and ice clump together and grow larger over time. But the heftier the planet, the harder it is to explain ...

A new study published in Nature Astronomy proposes an explanation for a long-standing puzzle in planetary science: why ...

Look to the east at sunset tonight (March 26) to see the half-lit form of the waxing gibbous moon shining close to the gas giant Jupiter in the evening sky, as the bright stars of the constellation ...

The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can ...

Scientists confirmed that an exoplanet mirrors its star’s chemical makeup, validating a core assumption about how planets ...