A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Our solar system didn't form by accident. This video explains the blueprint that created rocky worlds like Earth and Mars ...

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

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

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

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

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

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

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...