Tom Metcalfe is a freelance journalist who is based in London. Metcalfe writes mainly about science, space, archaeology, Earth and the oceans. He has also written for Live Science, the BBC, NBC News, National Geographic, Air & Space and many others.
Mystery Portrait May Be a Raphael, Artificial Intelligence Suggests
A mysterious portrait of the Virgin Mary and Jesus may have been painted by the master Raphael, facial recognition finds. But many art historians reject the claim
Legendary Shipwreck of Shackleton’s Endurance Discovered in Antarctic Waters
The discovery of the wreck is “a milestone in polar history,” says the director of the search for it
Surgeons Transplant Pig’s Heart into Dying Human Patient in a First
It was a last-ditch effort to save a Maryland man’s life
Melting Ice Reveals a “Lost” Viking-Era Pass in Norway’s Mountains
Artifacts show people used the route for 1,000 years—then abandoned it, possibly amid a plague
King Tut’s Dagger Is Out of This World
New study shows that meteorites rather than terrestrial ore were the sources of Bronze-Age iron
Diving Scientists Report Big Changes beneath Antarctic Ice Shelf
Climate change may be driving shifts in Antarctica’s sea life communities
"Last Shipwreck" from WW I Battle of Jutland Found Near Norway
A marine exploration team found the wreck, one of more than 250 warships that took part in the largest naval engagement of World War I
Whistling Sling Bullets Were Roman Troops' Secret Weapon
Soldiers 1,500 years ago used drilled projectiles to intimidate enemies with a shrill, buzzing sound