Experts revise initial assumption that sighting was space junk linked to Elon Musk’s satellite programmeA fireball seen over many parts of the northern UK has been confirmed as a meteor after a day of confusion about its identity.The fireball was visible above northern England, Northern Ireland and Scotland as it blazed across the clear night sky just after 10pm on Wednesday night. Continue...

Research using LinkedIn finds most useful acquaintances share a handful of mutual contactsWhether it’s the friend of a friend or a new contact from a conference, arms-length acquaintances have long been thought more useful than close chums when it comes to switching jobs.Now researchers say they have finally found a way to test the theory, revealing that while such “weak ties” do seem to...

Theory of inner satellite ripped apart by gas giant’s gravity 100m-200m years ago also explains rings’ relative youthSaturn’s famous rings could be the aftermath of a moon that was ripped apart by the planet’s gravity, according to scientists.The research, based on data from the final stage of Nasa’s Cassini mission, suggests that Saturn may have been ringless for almost all of its...

UK Meteor Network says it ‘cannot find any known space junk or satellite de-orbit’ to explain objectA fireball seen over Scotland and Northern Ireland is no longer believed to have been space junk from Elon Musk’s satellite programme, according to astronomers examining it.The UK Meteor Network said the fireball was visible for 20 seconds just after 10pm on Wednesday night. It received almost...

Experts say this week can provide new insights into group behaviour and how it influences identity and societyDeath of the Queen and King Charles’s accession – latest updatesIn the strange, wild days after the death of Diana, Princess of Wales, when heaps of flowers rotted in their plastic outside town halls across the country and the Daily Mail vowed never again to print a paparazzi photo,...

Study finds CAR T-cell treatment sends lupus into remission, raising hopes it could be used to treat diseases such multiple sclerosisFive people with severe autoimmune disease have become the first in the world to receive a groundbreaking therapy that uses genetically altered cells to drive the illness into remission.The four women and one man, aged 18 to 24, received transfusions of modified...

Research offers evidence that tobacco could damage health of people two generations later Children are much more likely to develop asthma if their father was exposed to tobacco smoke when he was growing up, a new study has found.And they are at even greater risk of suffering from the common lung condition if their father was a smoker himself, according to the international team of researchers....

According to the World Health Organisation, air pollution causes 7 million premature deaths every year. We’ve known for a long time that air pollution causes lots of health problems, including lung cancer – but exactly how the two were linked was somewhat of mystery. Last week, a team from the Francis Crick Institute and University College London presented findings that shed new light on the...