Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

James Webb Space Telescope captures HH 30’s disc, revealing dust movement, jets, and planetary formation processes.

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

This week sees a special stargazing event, as as up to six planets will be visible in a line in the night sky.