asteroid

New Study Shows Cosmic Rays Could Cause Alzheimer’s

Humans explore Mars in "Distant Shores," an illustration by NASA artist Pat Rawlins Cosmic rays from deep space could pose…

12 years ago

Asteroid Toutatis Tumbles by Earth: Images and Videos

Goldstone delay-Doppler radar images of Toutatis from December 11, 2012. Credit: NASA While Asteroid 4179 Toutatis was never a threat…

12 years ago

Say Hello to Asteroid 2007 PA8

Radar images of asteroid 2007 PA8 acquired on October 28, 29 and 30. (NASA/JPL-Caltech/Gemini) Take a good look at asteroid…

12 years ago

Vesta’s Deep Grooves Could Be “Stretch Marks” From Impact

Dawn image of Vesta showing its nearly circumferential equatorial grooves (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) Even though NASA's Dawn spacecraft has departed Vesta the…

12 years ago

Astronomers Measure Sunlight’s Shove

The physical force of sunlight on a moving asteroid has been measured by NASA scientists, providing information on how to…

13 years ago

The Bright and Dark Side of Vesta’s Craters

[/caption] Bright craters, dark craters... craters shaped like butterflies... they're all represented here in a panorama made from images acquired…

13 years ago

Mexican Lake Bears Witness To Ancient Impact

[/caption] Exotic sediments found beneath the floor of Lake Cuitzeo in central Mexico support theories of a major cosmic impact…

13 years ago

By Dawn’s Early Light

[/caption] Sunrise on Vesta highlights the asteroid's varied surface textures in this image from NASA's Dawn spacecraft, released on Monday,…

13 years ago

Help Astronomers Measure the Solar System!

[/caption] As the bright Mars-crossing asteroid 433 Eros makes its closest approach to Earth since 1975, astronomers around the globe…

13 years ago

Asteroid To Make Closest Approach Since 1975

[/caption] On Tuesday, January 31, asteroid 433 Eros will come closer to Earth than it has in 37 years, traveling…

13 years ago