"ULA’s Centaur (with minor modifications) is the only existing in-space propulsion stage capable of meeting the SLS upper stage design parameters and performance characteristics, while also meeting ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

Paccar said it will launch two new proprietary engine platforms to meet the EPA’s 2027 35-milligram NOx standard, calling the rule the world’s most stringent. Executives said the tougher emissions ...

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and testing) which is over 300 times more expensive than the more powerful ...

Add Yahoo as a preferred source to see more of our stories on Google. The Space Shuttle Challenger explodes shortly after lifting off from Kennedy Space Center, in Florida, on Jan. 28, 1986. All seven ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

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 ...

Texas lawmakers have been pushing to move the space shuttle Discovery from Virginia to the Johnson Space Center in Houston. New NASA administrator Jared Isaacman has suggested Discovery may not be ...

This will be the SLS’ second time to launch, after a successful test flight back in 2022. That test included an uncrewed Orion that showed unexpected damage to the capsule’s heat shield. In December ...

Engines vibrate. Honestly, considering the unending series of high-frequency explosions happening under your car's hood, it's kind of shocking that they don't vibrate more than they do. Still, a ...