I'm an astronomer and I think aliens may be out there — but UFO sightings aren't persuasive

If intelligent aliens visit the Earth, it would be one of the most profound events in human history.

from Space.com https://ift.tt/3pDrCvf

Comments

Post a Comment

Popular posts from this blog

New method to detect and visualize sperm cells recovered from forensic evidence

One of the most valuable forms of forensic evidence in cases of male-perpetrated sexual assault is the presence of semen, either in the form of stains left behind on items or on swabs collected from victims after an offense. To confirm that semen is present, suspected stains are examined under a microscope to see if any sperm cells are visible. from Phys.org - latest science and technology news stories https://ift.tt/2XBwacB
Read more