A unique mission concept known as Interstellar Probe would venture beyond the solar system and probe our neighborhood environment.
Astronomers may have found a second Neptune-size exomoon hidden in the retired Kepler space telescope’s data.
This week astronomers have announced the completion of the largest 3D map of galaxies across the cosmos, plus exquisite radio observations show what happens when a stellar intruder interrupts planet formation.
The plumes erupting from Saturn's moon Enceladus may originate in slush in the moon's icy crust rather than its deep, subsurface ocean.
Supernovae that carved out the Local Bubble, a cavity around the Sun, have also triggered star formation at the bubble's edges.
The James Webb Space Telescope has unfolded its primary mirror, marking the end of the deployment phase for the observatory.
A stream of stars scattered across 15 degrees of sky was once part of a globular cluster torn apart by our galaxy’s gravity. The stars represent some of the oldest in the Milky Way.
Its sunshield now in place, the James Webb Space Telescope is unfolding by the numbers while en route to its new home.
As the calendar flips to a new year, the night sky brims with bright stars, planets, and a potential meteor shower to help you celebrate.