• 太阳带电粒子将于近日到达地球

    10-08-04 Sky viewers might get to enjoy some spectacular Northern Lights, or aurorae(曙光) , tomorrow. After a long slumber(睡眠,静止状态) , the Sun is waking up. Early Sunday morning, the Sun's surface erupted and blasted tons of plasma(等离子体,血浆...

  • 2182年某小行星将可能撞击地球

    10-07-31 A giant asteroid called 1999 RQ36 may crash into Earth on September 24 2182, scientists believe. 科学家相信,一颗名为1999 RQ36的巨大的小行星可能会在2182年撞击地球。 A team of experts, including some working for NASA, believes the 612-yards-wide obje...

  • 火星上某处可能存有古生物化石

    10-07-30 Researchers have identified rocks that they say could contain the fossilised remains of life on early Mars. 研究人员在火星上发现一些岩石,称这些岩石很可能藏有早期火星生命的化石。 Scientists believe life could have existed on Mars almost four billion...

  • 研究:地球物种每2700万年灭绝一次

    10-07-17 Life on Earth is wiped out every 27 million years and we have about 16 million years left until the next extinction, according to scientists. 科学家称,地球上的生命每隔2700万年就会被灭绝一次,我们到下一次大灭绝之前还有约1600万年时间。 Research into...

  • 研究人员利用超高压力制造出超级电池

    10-07-06 The world's biggest Roman candle has got nothing on this. Using super-high pressures similar to those found deep in the Earth or on a giant planet, Washington State University researchers have created a compact, never-before-seen material capable of...

  • 深度撞击号飞船完成最后一圈绕地飞行

    10-06-27 On Sunday, NASA's historic Deep Impact spacecraft will fly past Earth for the fifth and last time on its current University of Maryland-led EPOXI mission. At time of closest approach to Earth, the spacecraft will be about 30,400 kilometers (18,900 m...

  • 金星曾经是一个适宜居住的星球吗?

    10-06-25 ESA's Venus Express is helping planetary(行星的) scientists investigate whether Venus once had oceans. If it did, it may even have begun its existence as a habitable planet similar to Earth. These days, Earth and Venus seem completely different. E...

  • “火星500天”计划开始封闭式训练

    10-06-03 Would you volunteer to be locked away for 18 months in a sealed container with no windows and have only e-mail contact with the outside world? 你是否自愿被锁在一个没有窗户、只能靠电子邮件与外部世界保持联系的封闭空间中长达18个月之久? On their own: C...

  • 地幔的流动导致山脉移动

    10-06-03 If tectonic plate(地壳构造板块 ) collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary? A study in Nature suggests that volcanoes and mountains in the Mediterranean can grow from th...

  • 小行星或成为研究地球物种起源的“活化石”

    10-04-29 The first-ever discovery of ice and organic molecules(分子,微粒) on an asteroid(小行星) may hold clues to the origins of Earth's oceans and life 4 billion years ago. University of Central Florida researchers detected a thin layer of water ice a...