“We’re going to the moon.” Reid Wiseman, the commander of Artemis II, said the words emphatically, his way of opening a news briefing last September. He may have practiced the line, but he said it ...

It looked more like a satellite television dish than a weapon. But the antenna could fire enough electromagnetic energy to fry the satellite 22,000 miles away. That was not the plan for tonight’s ...

A view from above of Atlantis' 60-foot-long payload bay. Atlantis' aft section as viewed from the side. The reflective insulation would normally be covered by one of the shuttle's two orbital ...

When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very differently than back here on Earth. So, as humans aim to set foot on Mars in the ...

When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very differently than back here on Earth.