Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...

The Earth’s axis is at right angles to the line from sun to Earth, the sun is directly over the equator and the lengths of ...

So riddle me this, what happens twice a year? Some say you can balance an egg only on this day and was a big deal back in ...

State weather bureau PAGASA said Thursday that the day and night will share nearly the same length around the world on ...

Spring brings a dramatic change to Washington’s sky this year. The bright planets that have kept us company over the long ...

"Really, Euclid is not only a dark universe detective, it's also a time machine. We will look back 10 billion years in cosmic ...

Cleostratus was a truly pioneering Greek astronomer who lived on the small Aegean island of Tenedos in the 6th century BC.

Credit: NASA/JPL-Caltech/GSFC HELSINKI — China plans to send a space observatory out of the plane of the ecliptic for a mission to study the poles of the sun. The Solar Polar Orbit Observatory ...

The next total lunar eclipse will be on Sept. 7-8, 2025, visible in parts of Asia and Australia, with totality lasting 82 ...

In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, ...