A rocky exoplanet 48 light-years from Earth has offered the 'strongest evidence yet' that other planets besides Earth could ...

The size of a planet is a major factor that determines if life can gain a foothold on it, even if it's in the habitable zone ...

A team of astronomers has found a potential exomoon orbiting a brown dwarf in another star system. - ESO / M. Kornmesser illustration Astronomers are homing in on a distant realm where the lines ...

Ancient Greek scholar Eratosthenes calculated Earth's circumference using sunlight and geometry. He observed shadows in Syene ...

Astronomers have identified two of the least dense giant planets ever measured, belonging to a rare class known as ...

Before you scoff, there’s a lot to learn here—not least because if it all works as hoped, Starmind may one day be one of your ...

Much to the dismay of many professional and amateur astronomers, the 1978 discovery of Pluto’s largest moon Charon ultimately ...

Admiral Anders Sundeman, the Swedish Armed Forces' head of space, detailed his domain's procurement plans on the eve of the ...

Saturn has strengthened its position as the planet with the largest known family of moons after astronomers officially ...

An estimated $10 trillion crosses these cables every day, and roughly 60 ships on the entire planet keep them running. Ship ...

In a novel three-tiered hierarchical system, the star CD-35 2722 is orbited by a brown dwarf that, in turn, is orbited by a ...

This week, we explore worlds in the making, from the first-ever evidence of moons forming around a distant exoplanet to ...