A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...

Nyctophobia, or an extreme fear of darkness, affects both children and adults, often stemming from past trauma, anxiety ...

As well as some of the darkest skies on the U.S. East Coast, it's also the nation's southernmost point. At 24.5 degrees north ...

Matt Hoenig is tracking a mild start to the first weekend of spring with some highs near the 60s and shower chances in some ...

Sunday will be at least 10 degrees warmer in most spots. Strong sunshine will add to the dramatic change. Downtown Sacramento ...

The period piece, starring Mark Rylance as 16th-century royal fixer Thomas Cromwell, faced steep funding challenges amid ballooning production costs in the U.K.

Sixth-seeded BYU (25-9) will face third-seeded Wisconsin (27-9) in primetime of Saturday's second round at Ball Arena.

New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

Viewers in Fairbanks, Alaska captured the northern lights, or the aurora borealis, on video Sunday, showing vibrant green ...

Try light therapy if you're fighting fatigue from the time change or struggling with seasonal depression. Here's how it works ...

Young plants need lots of light to grow, but when started indoors, natural isn't always best. Learn seedling light ...

It can be satisfying when things actually work out as expected. In that sense, D.C. got cause for satisfaction Monday evening ...