Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Known as SIMP 0136, the $10 billion James Webb Space Telescope caught a glimpse of it floating through the universe all by ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Early simulations show that it would take only 10 hours for the forthcoming ELT to find signs of life near Proxima Centauri.

The Large UV/Optical/IR Surveyor (LUVOIR) telescope has been imagined as a habitable planet hunter, but it could be so much ...

WASHINGTON – Neptune's glowing auroras are captured in the best detail yet by NASA's James Webb Space Telescope. Hints of ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

A breathtaking cosmic dance unfolds as the Webb Telescope captures a star's birth, set against a spiral galaxy's mesmerizing ...

The Extremely Large Telescope under construction in Chile's Atacama Desert could detect signs of alien life on other planets ...

Early simulations show that it would take only 10 hours for the forthcoming ... times sharper than those captured by the beloved Hubble Space Telescope. Alone, the ELT will help scientists ...

The Hubble Space Telescope has captured its clearest image yet of the Antennae Galaxies, thanks to major improvements from servicing missions that enhanced earlier photos taken in 1997 and 2006.