There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

A rare celestial event is set to occur Saturday night, as six planets will line up across the sky, but will we even see them?

Astronomers studying a faint red dwarf star called LHS 1903 have found a four-planet system arranged in a sequence that no standard model of planet formation predicted. The system follows a ...

Astronomers already know how planetary systems are born and how they look once they ...

A team of scientists has confirmed that the nearby star GJ 887 hosts at least four planets, one of which could be a habitable ...

It provides a dynamic, time-resolved view of planetary transformation, a missing link between young inflated worlds and the compact sub-Neptunes that populate the galaxy.

In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an ...

Quote of the day by Newton: 1915 changed physics forever. In that year, Albert Einstein published the general theory of relativity and reshaped our understanding of gravity and spacetime. For 228 ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets – including Earth – and survive, a new Johns Hopkins ...

Saturn’s largest moon, Titan, may have been born in a colossal cosmic crash. New research suggests Titan formed when two older moons slammed together hundreds of millions of years ago—an event so ...

A student has unraveled a long-standing cosmic enigma concerning some of our solar system’s most peculiar objects: icy ...