The Solar System’s current planetary orbits seem stable, but that’s only because the planets have settled into them over billions of years. The early Solar System was a much different place than that ...

An international research team has discovered a new planet so young that it has yet to emerge from the womb of matter where it is forming. This is the youngest protoplanet discovered to date. It’s ...

Astronomers recently leaned on archival Hubble data to study the formation of a large gas giant, and it stands out amongst exoplanet discoveries by challenging our ideas of planetary formation. Share ...

Click to open image viewer. This is a 1/24th scale model of Mariner 2, the space probe that on December 14, 1962, radioed back to Earth useful scientific information from another planet, in this case ...

Click to open image viewer. This model of the Magellan space probe, with its Inertial Upper Stage booster, depicts the first dedicated U.S. mission to study the surface of Venus in detail. Magellan’s ...