"The evidence for water vapor plumes on Europa isn’t as strong as we first understood it." When you purchase through links on ...

Looking for a sky event this week? Check out our full Sky This Week column. May 21: Check in on Saturn and Mars Tonight we're ...

A rare celestial event will occur May 18-20, 2026, as a crescent Moon aligns with Venus and Jupiter, forming a bright ...

The moon dances with the king of the planets, with the horizon as their stage. When you purchase through links on our site, ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends. In fact you should be able to easily see it long before twilight fades.

Venus and Jupiter remain visible in the evening sky soon after sunset early in July, although Jupiter fairly quickly drops ...