资讯

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...
NASA reports that the space rock, measuring around 1,200 feet across, is expected to make its closest approach on Thursday, ...
Scientists anticipate that Earth's rotation will quicken enough to create three shorter days between July and August, ...
Twenty years ago, when NASA's Deep Impact spacecraft was deliberately sent to collide with comet 9P/Tempel, it hit a relatively smooth surface, which was reflected in a smooth and continuous ejecta ...
NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...
Nasa has suffered a major set back in a plan to stop apocalyptic asteroids from smashing into Earth. Astronomers believe ...
Higher solar activity brings more radiation, which can damage satellite electronics and force some satellites to deorbit ...
Shukla is the first Indian to be onboard the International Space Station (ISS) and the second astronaut from the country, ...
But Not Too Close NASA has confirmed the approach of asteroid 2019 NW5. The space rock is expected to fly past Earth on 9 ...
Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...
NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...
Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...