From New Mexico's deserts to the coast of Maine, our viewers captured the rare magic of auroras lighting up skies across the United States.

New eruptions at Hawaii’s Kilauea volcano already had tourists in awe when another spectacular phenomenon had everyone turning the cameras away from the lava to capture. See the spinning “volnado” and learn how one forms.

The temperature roller coaster is at it again with a big warmup on the way for much of the country. Dozens of records will be in jeopardy with the Plains seeing highs soar into the 60s and 70s Thursday and Friday. A cold front will knock temperatures back down to reality this weekend across the Plains and Midwest as the warmth continues across the Deep South and Southeast into next week. Unfortunately, the Northeast will stay seasonably cool with temperatures at or just below average into the weekend.

The first snowfall of the season brought flurries to Chicago’s Brookfield Zoo. While some of the animals were curious about the stuff falling from the sky, one resident seemed decidedly unimpressed.

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets form and travel through space.