Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

A study of the interstellar comet 3I/ATLAS reveals surprising characteristics: traveling at 57 km/s, it challenges ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

Of the seven Earth-sized planets circling the red dwarf star TRAPPIST-1, one world has become a special focus for astronomers. This planet ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Fresh JWST data and new models challenge methane hints on TRAPPIST-1e, showing the gas would be rare, unstable, and difficult ...

The two outermost planets in the solar system are generally considered ice giants, yet we know little about their interiors.

Journey beyond the asteroid belt to explore the solar system's majestic giants and mysterious outer reaches. We break down ...

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

To test this idea, the new study looks at an exoplanet known as VHS 1256b. It has a mass of around 20 Jupiters and is one of ...