资讯

NASA confirmed the asteroid’s course towards Earth. It measures about 87 feet wide and travels quickly. The asteroid will ...
NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks ...
NASA is monitoring a house-sized asteroid that will pass near Earth on August 16 at a speed of approximately 17,717 miles per ...
The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.
Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...
Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United States great in space.
Scientists have calculated the odds of a catastrophic asteroid impact compared to other causes of death—to surprising results.
NASA only labels space rocks as hazardous if they are closer than 7.4 million kilometres and wider than 85 metres.
"Duffy to announce nuclear reactor on the moon" is not a headline I imagined reading before last week. Sure, as a sci-fi ...
A deceptive difference having to do with Earth's and Mars's gravity may be the reason why NASA's rovers get stuck in the ...
Acting NASA Administrator Sean Duffy said Thursday that climate and earth science at the agency will “move aside” as it ...