A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first time in 160,000 years. The comet ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for ...

The Chicago area is less than a month into winter, but many residents may be curious on when spring starts later this year.

Comet ATLAS hit a maximum magnitude of -3.4 during its close encounter with the sun, just shy of the brightness of Venus in the night sky.

Two coronal mass ejections (CMEs) struck Earth’s magnetic field on New Year’s Eve, bringing out the displays of light in the ...

Paleontologists say the fossils could prove dinosaurs lived in the northern hemisphere millions of years earlier than ...

The discovery of Ahvaytum bahndooiveche, a 230-million-year-old dinosaur in Wyoming, reveals dinosaurs existed in the ...

The first full moon of the year will glide through the sky Monday night. For lucky stargazers in some parts of the world, it ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

Cretaceous-era global heat likely caused a genetic split between Northern and Southern Hemisphere lampreys, offering new ...