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

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset ...

Both Venus and Saturn will be in the Aquarius constellation, the water bearer, during their close approach. To help spot it, ...

Rare planetary alignment featuring Venus, Saturn, Jupiter, and Mars promises celestial splendour in the southern hemisphere's twilight skies.

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

Venus will pass to the north of the much-fainter bluish star Regulus (in Leo, the Lion) on the morning of Sept. 19; the planet and star will appear low in the east-northeast predawn sky, separated by ...

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...