"There's very strong evidence that the ingredients for life exist on Europa, but we have to go there to find out." ...

It has a mass as much as 11 times that of Jupiter, orbits its star in 14 years and has a temperature of no more than minus ...

Saturday, September 21 Venus is bright but low in the western sky just after sunset tonight ... Jupiter blazes at magnitude ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...

Tonight’s larger-than-average moon will appear to have a “bite” missing.

The ringed planet reaches opposition, Mars slips past the open cluster M35, and the original Cepheid variable shines in the ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Light pollution, particularly in heavily built up areas, can prevent people from viewing the night sky properly. Less ...

The big attractions of our column today are a small eclipse of an especially big harvest moon Tuesday night and the arrival ...

The full harvest supermoon will shine brightly in the night sky Tuesday evening. A partial lunar eclipse, with a “bite” taken ...

Eyes to the sky Tuesday night, to see the Harvest Supermoon pass through the edge of Earth's shadow, resulting in a partial ...