Chunks of Alpha Centauri—Our Closest Stellar Neighbor—Might Have Already Reached Us
A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...
A Valentine's Day aurora may be visible in the skies of the northern U.S.
During Valentine's Day weekend, northern parts of America, including Maine, may have a chance of seeing an aurora. But space weather scientists warn that the chances of this happening are slim.