"Northern Hemisphere"

New York City has been dealing with a "Code Red" due to the heat and air quality advisories from Canadian wildfire smoke days before the Spa...

Americans will miss totality on Aug. 12, but a partial eclipse in the northeastern U.S. and Alaska, plus the peak of Perseid meteors, make i...

A star could be about to become visible in the night sky in a once-every-80-years explosion. Here’s how to easily find T Coronae Borealis (T...

Leading U.S. forecast agency announced this week that El Niño is here, and that it could be a strong one. What does that mean for you?

The Perseid meteor shower begins today, with a moonless August peak expected to produce up to 100 meteors an hour under ideal dark-sky condi...

A new moon on July 14 starts the countdown to the August 12 total solar eclipse, while the first waxing crescent and the opening of the Pers...

Sunday, June 21, 2026, will mark the longest day of the year in the Northern Hemisphere. Here’s what will happen in North America, from extr...

Venus and Jupiter appeared to “kiss” in the twilight sky on June 9, reaching a spectacular conjunction that remains visible after sunset all...

Is a star about to explode in the night sky? If predictions come true, T Coronae Borealis (T CrB) could become visible for a few days or wee...

Venus and Jupiter will appear strikingly close after sunset on June 9, creating a dazzling planetary conjunction visible worldwide to the na...

Sony’s latest “thermo device” is designed to keep you cool during intense summer heat. Here’s all you need to know.

Bright noctilucent clouds are glowing across northern skies. Here’s what creates these rare space clouds and how to see them from the northe...