Twin Visitors
Comet Lemmon streaks through the solar system in this October 4 images. The comet will be in the western evening…
California in the Stars
California is the land of the stars. It’s also depicted in the stars as the California Nebula, a cloud of…
Loud Galaxy
A giant bubble of hot gas surrounds Cygnus A, a giant galaxy about 760 million light-years away, in this composite…
Morning Visitor
Comet Lemmon is crossing the early-morning sky now. It is an easy target for binoculars, and, in dark skies, may…
Harvest Moon
The Harvest Moon shines above the Rock and Roll Hall of Fame in Cleveland in this 2024 photograph. This year’s…
Ceres
Deposits of bright, salt-rich minerals speckle the surface of Ceres, the largest object in the asteroid belt, in this image…
Neptune Opposition
The giant planet Neptune glows eerily in this infrared view from James Webb Space Telescope. Faint rings encircle the planet.…
New Dwarf
New Dwarf? This animation shows the body designated 2017 OF201 moving against the background of stars. Discovered in 2017, it…
GPS Satellite
An artist’s concept depicts a Global Positioning System satellite in orbit. GPS must adjust for the effects of Relativity to…
Growing Planets
Giant chunks of rock and metal and clouds of gas and dust come together to form planets in this artist’s…