An astrophotographer snapped a stunning shot of Comet Lemmon's flowing tail getting shredded by a strong gust of solar wind, ...

A photographer snapped a striking shot of Comet Lemmon streaking over Scotland as the night sky unexpectedly filled up with a technicolor mix of vibrant auroras.

From Yosemite to Denali, trade summer crowds for a winter wonderland at these breathtaking U.S. national parks.