You know that beautiful, clear blue sky over Rochester? It’s always a welcome sight—when it happens. But have you ever noticed the thin white streaks that sometimes crisscross the sky? Many people ...

Venus is the brightest planet. It looks like a big, shiny star in the sky. Tap to read in detail. Venus rotates in the ...

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 ...

New observations with the Atacama Cosmology Telescope in Chile reveal the earliest-ever "baby pictures" of our universe, ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe ...

On Sunday, the Connecticut Sun and the Liberty decided to ensure everyone paid attention during Selection Sunday (and the ...

The New York Liberty have acquired veteran point guard Natasha Cloud from the Connecticut Sun in exchange for two first-round ...

Under clouds like this, the horses get sleepy and relaxed, their ears twitching the flies away, four feet taking turns ...

Nicky Henderson and Dan Skelton among big names with chances at Chepstow on Sunday; Warren Greatrexs Shantwopointfive in good ...

Get ready for an amazing night sky event in Hawaii! On March 13 and 14, we have the opportunity to see and experience a total ...