A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and Uranus may have revealed why they differ in color. Credit: Directed by: Bethany ...

Astronomy Ireland says stargazers will witness Saturn’s rare close approach and a daylight Venus–moon alignment, both visible across Ireland ...

According to Luma Mufleh, founder of the educational nonprofit Fugees Family, Manuel-Andres is in the U.S. under “special ...

For decades, astronomers have wondered whether Earth-like planets are rare gems or commonplace across the stars. Recent ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

Although ‘steam worlds’ were first proposed about twenty years ago, they are now supported by observations. The James Webb Space Telescope has detected water vapor around several sub-Neptunes, with ...

Sky lovers assemble! There is a lot going on in the next few days – stuff for every interest, location, and ability. We have ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...