The thin, outermost ring in the photo is composed of particles shepherded by the gravity of two moons orbiting around it.

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Scientists have found strong signs of possible life on exoplanet K2-18b, a potential "Hycean world," suggesting new avenues in the search for alien life.

Part of the challenge when it comes to researching the existence of alien life is knowing where to look. Until relatively recently, the focus for Nasa’s search for life was Mars, but that began to ...

Carolyn Porco was 13 years old when she experienced her first 'cosmic connection.' She was on a rooftop in the Bronx, of all the unlikely places, peering through a friend's telescope when she caught ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

Jupiter is the heavyweight champion of the planets, but Neptune is no slouch either. According to NASA, Neptune is about 17 t ...