John O'Connor Latest articles by John O'Connor Tornado Season Off to Roaring Start By John O'Connor published 13 March 06 Weather Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Giant space 'boulders' unleashed by NASA's DART mission aren't behaving as expected, revealing hidden risks of deflecting asteroids2'Interstellar visitor' 3I/ATLAS could be the oldest comet ever seen — and could grow a spectacular tail later this year3The choice of sperm is 'entirely up to the egg' — so why does the myth of 'racing sperm' persist?4'I was floored by the data': Psilocybin shows anti-aging properties in early study5Penny-sized laser could help driverless cars see the world so much clearer