The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different ...

This week, early risers can look for Mars and Saturn on parade with a slim crescent Moon.

Several years ago, I decided to drive somewhere dark enough to see the Milky Way with the naked eye. Something had rekindled my curiosity of the heavens, and I wanted to see them for myself. So I ...

One of the world’s most famous astronomical clocks looms over a side street in the old city of Prague, with a complex ...

Oumuamua was discovered in 2017 and was determined to be the first object ever seen inside the solar system that had come ...

June’s pre-dawn sky finds six planets strung along the ecliptic, spanning 72° on the 1st. In order of increasing elongation ...

In 2006, astronomers ‘demoted’ Pluto from a major planet in the solar system to a dwarf planet. But was Pluto snubbed? Our ...

The parade of planets starts as two worlds come close and the Moon moves on down the line in the sky this week.

Astronomers are constantly adding to the ever-expanding catalog of more than 5,000 confirmed exoplanets. But Gliese 12 b, ...

An astrophysicist explains how the Chandra X-ray Observatory detects X-rays to produce images of events such as black holes ...

In the past quarter century, astronomical observations have led to discoveries that have literally transformed our conception ...