35% of 25-year-old or older elephants and 13% of those younger than 25 are now without tusks. A 2008 study published in the African Journal of Ecology found that the proportion of tuskless females at Ruaha National Park in Tanzania went from 10.5 percent in 1969 to almost 40 percent in...
3D printed shelter is one of five finalists in an international competition to design and build a habitat for a crew of four astronauts on a mission to Mars. AI SpaceFactory formulated their own material – a “Martian polymer” that can be made from matter found or grown on the planet. ...
SpaceX Vows to Reach the Red Planet by 2018, with a Little Help from NASASpaceX on Wednesday announced its intentions to send its unmannedRed Dragon landers to Mars by...Thompson, Ben
Exoplanet with rings Second Earth 3D illustration (Elements of this image furnished by NASA),站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、
Thousand-mile-per-hour winds are blowing a hail of tiny quartz crystals through the silicate-enhanced, scorching hot atmosphere of a distant gas giant planet called WASP-17b, theJames Webb Space Telescope(JWST) has found. "We knew from Hubble [Space Telescope] observations that there must be ...
Blue Planet Earth sunrise over cloudy ocean with stars in the sky An eclipse of the Sun by the world make rising sun in space - Elements of this image furnished by NASA,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢
world, namedTOI 700 d, which is located in thehabitable zone of its star, the range of distances where conditions could be just right to allow liquid water on the surface. TESS revealed anewly minted planetaround the young star AU Microscopii and found aNeptune-size world orbiting ...
Despite a gummed up drill bit and three days of very un-Martian precipitation, engineers pronounced the test a success--and learned to expect the unexpected, whether it be in the California outback or on Mars
While scientists know magnetic reconnection occurs, they do not yet understand how or why. But they believe the answer will be found in the so-called "diffusion region" where events rapidly occur over very short scales. "Adjacent magnetic fields pointing in opposite directions tend to annihilate ...
In 2006 the International Astronomical Union (IAU) caused consternation when it declared that Pluto was no longer a planet. Several bodies of similar size had been found in the Kuiper Belt, so the IAU created a definition that included the criterion that a planet must “clear the neighborhood ...