Plus: The August Full Sturgeon Moon shines, the colorful double star Albireo sparkles, and Mercury reappears in the sky this ...

8. Speaking of sunlight, it’s composed of approximately 40 percent light, 50 percent heat, and 10 percent ultraviolet ...

Today in the history of astronomy, an eclipse in Scotland is associated with the death of King Henry I – over two years later ...

Today in the history of astronomy, America’s first female astronomer is born.

David Fabricius, a Lutheran pastor with interests in cartography and science, was born in 1564 in modern-day Germany. On ...

Look west after sunset to spot the Red Planet forming a wide double with Virgo’s 4th-magnitude beta star, Zavijava.

First came the idea of splitting the atom; then, a chain of events leading to a moment forever etched in collective ...

By proving how individual molecules create the complex motion of fluids, three mathematicians have illuminated why time can’t ...

Scientists hope their plumage project could someday lead to biocompatible lasers that could safely be embedded in the human ...

The days have been slowly shortening since the Summer Solstice in June, but the change becomes more apparent here in southern ...

Peaking in mid-August ( Aug. 12 ), NASA considers this “the best meteor shower of the year,” noting, “With swift and bright ...

When NASA’s James Webb Space Telescope (JWST) first opened its eyes to the distant past, it spotted hundreds of tiny, ...