Watch for the conjunction of Mars and Jupiter before dawn Sunday. They'll be half a moon-diameter apart. Then get ready for a great year of Mars- and Jupiter-watching in 2018.
Analysis of the DNA of an infant found at an Alaskan archaeological site is evidence of a previously unknown population of ancient people in North America.
In addition to Jupiter and Mars, Mercury and Saturn shine in the morning sky, too. Learn when and how to spot them. Meanwhile, Venus is lost in the sun's glare.
From all parts of Earth, you'll find the planets high in the sunrise half of your sky before dawn. Look southeast from the U.S. and similar latitudes. Jupiter is the brightest thing up there! Mars is fainter, reddish, near Jupiter. Mercury is there, too, close to the sunrise.
View larger | Sea smoke forms when very cold air moves over warmer water. Jatinkumar Thakkar braved the cold to capture this photo at Nubble Lighthouse in Maine on New Year's Day.
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