Dawn mission discovers hydrogen on giant asteroid Vesta (w/ Video)

(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by Planetary Science Institute ...

Dawn mission video shows Vesta's coat of many colors

(Phys.org) -- A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta terrain constructed ...

Dawn spacecraft reveals secrets of giant asteroid Vesta

(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. The findings were ...

Dawn sees new surface features on giant asteroid

(PhysOrg.com) -- NASA's Dawn spacecraft has revealed unexpected details on the surface of the giant asteroid Vesta. New images and data highlight the diversity of Vesta's surface and reveal unusual geologic features, some ...

Swift observatory catches asteroid flyby (w/ video)

(PhysOrg.com) -- As asteroid 2005 YU55 swept past Earth in the early morning hours of Wednesday, Nov. 9, telescopes aboard NASA's Swift satellite joined professional and amateur astronomers around the globe in monitoring ...

Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between stellar radiation ...

The faces of Vesta (w/ video)

(PhysOrg.com) -- New images of the asteroid show the first surface structures and give a preview of the Dawn mission's coming months.

Image: Apollo 16: Footsteps Under High Sun

(PhysOrg.com) -- The lunar module Orion landed in the Descartes Highlands of the moon on April 21, 1972. The Apollo 16 mission targeted a highland region. Originally thought to be a volcanic site, the samples returned by ...

Biggest, Deepest Crater Exposes Hidden, Ancient Moon

(PhysOrg.com) -- Shortly after the Moon formed, an asteroid smacked into its southern hemisphere and gouged out a truly enormous crater, the South Pole-Aitken basin, almost 1,500 miles across and more than five miles deep.

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