Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

The rare astronomical event will see Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn appear at the same time, ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...