Sam Eckholm on MSN

Watch America's 8,000-pound helicopter conquer mission after mission

Weighing more than 8,000 pounds, flying at speeds of up to 145 mph (233 km/h) and serving in thousands of missions every year ...
Morning Overview on MSN

The interstellar comet 3I/ATLAS made a startling transformation as it passed the sun

Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic ...