The scientific wonderers at What If travel across the solar system to see how our star’s shadow looks from the perspective of other planets.

As Earth goes out of sight, radio contact with mission control will drop for roughly 40 minutes because the moon itself blocks the line of sight back home. Even without that link, the crew will keep working in the Orion spacecraft, dubbed Integrity, using onboard devices to capture images, measurements, and notes.

On August 2, 2027, a total solar eclipse will bring six minutes and 23 seconds of midday darkness, the century’s longest over land. Astronomers describe the total solar eclipse 2027 as unusually long because the Sun will be farthest from Earth and the Moon near perigee.

The first eclipse season of the year is officially in session! On Feb. 17, skywatchers around the world will be served with a cosmic event to remember: an annular solar eclipse, most commonly known as a “ring of fire.” This celestial phenomenon occurs ...

A once-in-a-century total solar eclipse will sweep across 10 countries in Europe, North Africa and the Middle East on Aug. 2, 2027. Here are the best places to go.

The seven-hour flyby was the highlight of NASA’s first return to the moon since the Apollo era with three Americans and one Canadian — a step toward landing boot prints near t