Human spaceflight remains hard, despite progress in "lessons learned." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

ORLANDO, Fla. — The Federal Aviation Administration office that regulates commercial spaceflight expects continued growth in launches, despite industry concerns about whether the office can keep pace.

Habitat loss is not the only threat faced by koalas (Phascolarctos cinereus; pictured). Around half of captive koalas die from cancers associated with retroviruses — viral invaders that insert their ...

REDSTONE ARSENAL, Ala. — To meet the rising threats in missile defense and the space domain, the U.S Army is now accepting applications for its newest military occupational specialty, or MOS.