DID AN ALIEN LIGHT SAIL JUST VISIT THE SOLAR SYSTEM? It sounds like a tabloid headline, but in this case it could be real. Mainstream researchers from the Harvard Center for Astrophysics have made the case in a newly-released paper that interstellar asteroid 'Oumuamua could be an alien light sail. Visit today's edition of Spaceweather.com for the full story.
Above: This artist's concept shows how 'Oumuamua is usually depicted--as a cigar-shaped asteroid. New research from Harvard suggests it could be something different.
