Today, July 26, 2025, the moon is 2 days old and is in the Waxing Crescent phase of its lunar cycle. It is 4% illuminated.

Skywatchers in the Southern Hemisphere are gearing up for a partial solar eclipse on September 21, 2025. While India won't ...

Did you feel it? The planet spun a bit faster last week, by enough to give us our shortest day of the year, so far.

Earth has been spinning faster for the past few years — a trend that could lead the world’s timekeeping institutions to take ...

On July 25, 2025, NASA’s Solar Dynamics Observatory (SDO) captured a rare solar eclipse from its vantage point in space. This ...

Since 2020, Earth has been rotating unusually fast on its axis, leading scientists to consider whether we should correct for the shorter days.

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

During the last week of July and for a fair amount of August, there’s still time to spot some noctilucent cloud activity, as captured recently ...

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange ...

An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

Consolmagno, who has a prodigious white beard, wavy gray bangs, and dark, beetling eyebrows, is one of fifteen scientists who ...

The marvelous Eise Eisinga Planetarium, the world’s oldest continuously operating planetarium in the world, dating from 1781, ...