safe

‘That’s impact probability zero folks!’ Earth safe from ‘city-killer’ asteroid 2024 YR4

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A fuzzy grey image with red crosshairs at the center of which is a white orb

Time to breathe a sigh of relief. The asteroid that once posed the greatest impact risk to Earth in recorded history now has an effective 0% chance of striking our planet. The probability of asteroid 2024 YR4 hitting Earth was reduced to zero thanks to new data collected on Sunday, Feb. 23. Discovered in Dec. … Read more

NASA Stennis Flashback: Learning About Rocket Engine Smoke for Safe Space Travel

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joe schuyler

NASA’s Stennis Space Center near Bay St. Louis, Mississippi, is widely known as the nation’s largest rocket propulsion test site. More than 35 years ago, it also served as a hands-on classroom for NASA engineers seeking to improve the efficiency of space shuttle main engines. From 1988 to the mid-1990’s, NASA Stennis engineers operated a … Read more