The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

The next waypoint on Psyche's voyage will be a flyby of Mars in May 2026. Officials expect Psyche to keep that date, which is ...

The Vera C. Rubin Observatory will make the study of stars and galaxies more like the big data-sorting exercises of ...

Degree/Major: Ph.D., Astronomy, 1975, University of California Berkeley ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

The four planets and sun of our solar system. ... The orbits of several TNO's including 2017OF201 labeled "This TNO." Sihao Cheng et al. 2017OF201 takes about 25,000 years to orbit the sun.

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

An artistic rendition of our solar system, including the Sun and eight planets. vjanez/iStock via Getty Images. Christopher Palma, Penn State and Lucas Brefka, Penn State. Curious Kids is a series for ...

Solar System – Jupiter. It is the fifth planet from the Sun and the largest in the Solar System. Its a giant planet with a mass one-thousandth that of the Sun. Elements of this image furnished by NASA ...

Our solar system once had nine planets, but things changed when Pluto lost its planetary status in 2006. Ever since, astronomers worldwide have hunted for signs that we might still have a ninth planet ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.