One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

Perseverance has so far found a rock, dubbed Cheyava Falls, which is the strongest evidence of something possibly modified by life. It is the weakest possibility of life signal on NASA’s CoLD scale, ...

The White House's 2026 budget request axes NASA's long-held plan to bring Mars samples to Earth for analysis. Here's why that cancellation would be a mistake.