Published this month in Science Advances, a paper by NASA-led researchers examines a comet called 67P/Churyumov-Gerasimenko, which the European Space Agency's Rosetta mission visited in 2014.

is that one will go undiscovered in the sky until it's too late and then hit the Earth. While the actual risk is incredibly small, Hemmelgarn said, the impact of even a small comet could be ...

ForbesThe Return Of Halley's Comet Begins Soon. See Its 'Shooting Stars' This Week 37 Years After Last AppearanceBy Jamie Carter “For it to actually strike a house, for people to be able to pick ...

Star-gazers have been capturing the "comet of the century" before it disappears for another 80,000 years. The Comet A3 (Tsuchinshan-ATLAS) has been visible in recent nights across the country ...