Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

Planets in the solar system. Credit: NASA and ESA / CC BY-SA 4.0 A rare celestial event will unfold on the evening of Friday, Feb. 28, 2025, when seven planets line up in the night sky in a phenomenon ...

The solar system is a region of space, and all of the objects contained within which are gravitationally bound to the sun. This means all the planets ... The smallest official planet is Mercury ...

Illustration shows four small rocky planets detected in orbit around Barnard's Star, the nearest single star system to our solar system ...

Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...

The team's research indicates the Solar System's passage through the Orion region occurred between approximately 18.2 and 11.5 million years ago, with the most likely time between 14.8 and 12.4 ...

Sky watchers could witness a breathtaking celestial spectacle on February 28, with reports claiming that all the planets in our solar system will align. This event marks the final occurrence of an ...

The discovery by a team, including current and former University of British Columbia astronomers, brings Saturn’s total to ...

Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...

Beginning in late February, seven planets will align in the night sky. But Uranus and Neptune may require a telescope to see. Mars SKY AT Viewed from above the solar system, the seven planets will ...