The Voyager 2 spacecraft burst out of the bubble of gases expanding from the sun and into the wild of the Milky Way a year ago. It was the second spacecraft to cross that boundary and directly observe the interstellar medium. Its faster-moving twin, Voyager 1, made the crossing six years earlier, in August 2012.
What if, after the Allies won World War II, world health officials had employed a Nazi version of DDT against mosquitoes that transmit malaria? Could that persistent disease, which still infects more than 200 million people a year and kills 400,000 of them, have been wiped off the planet?
BOCA CHICA VILLAGE, Texas — As Elon Musk, the founder and chief executive of SpaceX, says repeatedly, he created a rocket company because he wanted to colonize Mars. His fervent argument is that humanity must spread to a second planet as insurance for long-term survival.
BOCA CHICA VILLAGE, Texas — As Elon Musk, the founder and chief executive of SpaceX, says repeatedly, he created a rocket company because he wanted to colonize Mars. His fervent argument is that humanity must spread to a second planet as insurance for long-term survival.
At the start of a talk at the Lunar and Planetary Science Conference in Houston in March, Harrison Schmitt, one of the two astronauts who walked on the moon during Apollo 17, the last lunar mission, put up a picture of Neil Armstrong.
For the second time in two nights, SpaceX, the private rocket company founded by Elon Musk, said Thursday evening it would postpone the launch of dozens of satellites.
The goal of Elon Musk, the founder and chief executive of SpaceX, is to send people to space. But how can he possibly pay for such an expensive venture? SpaceX, for all its successes, is still a fairly small company, and the profit margin on rocket launches is small.
NASA officials on Monday evening unveiled an updated budget request to Congress, seeking more than $1 billion in additional funding in what they called a down payment to accelerate the return of astronauts to the moon by 2024.
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