The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan.

We have a "Great Planetary Alignment" coming up later this week, and if the weather cooperates, night sky watchers in Boston ...

A clear evening sky has a lot to show you in late February. Five planets may be visible is you look at the right time.

Four planets: Mercury, Venus, Jupiter and Mars will be visible to the naked eye. Look for Mercury near the sun as it sets.

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