Two “superpuff” planets orbiting a sunlike star over 1,000 light-years from Earth are as big as Jupiter and as dense as ...

North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern hemisphere. This week: bright planets at dusk and dawn ...

The European Space Agency’s Euclid telescope was built to study dark matter and dark energy, but for one day last year, it captured the densely packed stars brightening the center of our galaxy ...

Euclid is on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter and dark energy.

"This image from Euclid includes 51 known planetary systems – and it will assist in studying many more that will be found." ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

Astronomers have located a rare exoplanet on the edge of the Milky Way. The exoplanet, a gas giant named AT2021uey b, orbits a low-mass star and is located about 3,200 light-years away from Earth, ...

Early Earth may have inherited some of its organic compounds from space.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

The European Space Agency releases the most detailed image of the Milky Way's center, the galactic bulge, in visible light. It was taken by the Euclid telescope.

Scientists have discovered erythrulose, a type of sugar also found in raspberries, in a gas cloud near the center of the ...

NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, known as exoplanets. Scientists expect the mission to reveal around 100,000 ...