Sky This Week is brought to you in part by Celestron. Friday, May 2Asteroid 4 Vesta reaches opposition at 2 A.M. EDT this ...

New research challenges the meteorite hypothesis, suggesting Earth's water may be native, originating from the solar nebula rather than asteroidal impacts.

Mars starts May not far from the Beehive star cluster, Venus is unmistakable in the predawn sky, and Mercury looks best early ...

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ...

Earth and Mars are mysteriously low in elements like copper and zinc, which are crucial for planetary chemistry and potentially life. A new study overturns old theories by showing that these elements ...

Despite being a "dark nebula," the Circinus West molecular cloud isn't so dark that it can completely hide its young stellar ...

"Thin water-ice clouds, revealed by Hubble's unique ultraviolet capability, give the Red Planet a frosty appearance," Hubble ...

NASA and the European Space Agency (ESA) celebrated the 35th anniversary of the Hubble Space Telescope by releasing a ...

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Some 2,500 stars are located in the greater Rosette Nebula, which is some 5,200 light-years away in our Milky Way galaxy.

To commemorate the 35th anniversary of its launch into orbit, NASA's Hubble Space Telescope has been trained on a series of ...