A 60-year-old tribute to America's first human spaceflight program is standing up to the test of time, but what about the contents of its time capsule not to be opened until 2464? The Project Mercury ...

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions ...

Mercury will be farthest from the sun on Tuesday (Aug. 19), granting early risers a perfect opportunity to spot the fleet-footed world somewhat separated from the glare of our parent star. Mercury ...

Beginning Nov. 25, 2025, Mercury will be far enough west to peek above the horizon just before sunrise. Venus will also be naked-eye-visible as a bright point of light but you’ll want a telescope or a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. BERLIN (AP) — A spacecraft bound for Mercury ...

The summer solstice—the longest day of the year—has passed. That means we’re slowly losing daylight. But never fear: there’s still plenty of sun and late-night stargazing ahead of us this summer. Here ...

Despite being relatively nearby, very few space probes have visited the solar system's innermost planet. Any spacecraft aiming to study Mercury must accelerate to incredible speeds, and that can take ...

CAPE CANAVERAL, Fla. — A spacecraft has beamed back some of the best close-up photos yet of Mercury’s north pole. The European and Japanese robotic explorer swooped as close as 183 miles (295 ...