Tom Metcalfe
Tom Metcalfe is a freelance journalist and regular Live Science contributor who is based in London in the United Kingdom. Tom writes mainly about science, space, archaeology, the Earth and the oceans. He has also written for the BBC, NBC News, National Geographic, Scientific American, Air & Space, and many others.
Latest articles by Tom Metcalfe

Razed city that rebelled against Rome 'remained uninhabited for over 170 years,' excavations reveal
By Tom Metcalfe published
The ancient city was besieged and destroyed in 125 B.C., probably in a dispute over the rights of Roman citizenship.

When was steel invented?
By Tom Metcalfe published
No one knows for sure when steel was invented, but some of the earliest examples crop up in the first millennium B.C. in Central and South Asia.

Man buried with large stones on his chest to prevent him from 'rising from the grave' unearthed in Germany
By Tom Metcalfe published
Archaeologists in Germany have unearthed a "revenant" grave where a man was buried with large stones on his chest to prevent him from rising from the dead.

2,300-year-old Celtic helmet discovered in Poland
By Tom Metcalfe published
Archaeologists think the ancient helmet indicates that Celts settled in the region to protect their supplies of precious amber.

16,000-year-old skeleton, crystals and stone tools discovered in Malaysian caves
By Tom Metcalfe published
Archaeologists think the earliest skeleton from the Malaysian excavation may be up to 16,000 years old.

Why doesn't stainless steel rust?
By Tom Metcalfe published
The special chemistry of this shiny iron alloy creates a protective layer on its surface that prevents it from rusting.

1,700-year-old 'barbarian' burial discovered along Roman Empire's frontier in Germany
By Tom Metcalfe published
Archaeologists think the man was buried in the first half of the fourth century.

Roman coin trove discovered on Mediterranean island may have been hidden during ancient pirate attack
By Tom Metcalfe published
The silver coin discoveries date to the Roman Republic and are from the island of Pantelleria, between Sicily and Tunisia.

World War I British warship that sank in a surprise U-boat attack 110 years ago discovered in North Sea
By Tom Metcalfe published
HMS Hawke sank after an explosion caused by an enemy torpedo, with the loss of more than 500 of its crew.

3 shipwrecks from 'forgotten battle' of World War II discovered off remote Alaskan island
By Tom Metcalfe published
This is the first time that wrecks from the almost-overlooked conflict in WWII have been studied scientifically.

3,000-year-old goddess figurine found in an Italian lake still bears the handprints of its maker
By Tom Metcalfe published
Archaeologists think the figurine was a homemade representation of an ancient goddess.

17th-century pirate 'corsair' shipwreck discovered off Morocco's Barbary Coast
By Tom Metcalfe published
The wreck is the first time the remains of a pirate corsair have been found in the region known as the Barbary Coast.

32 important scientists you've probably never heard of
By Tom Metcalfe published
These scientists may be lesser known than Einstein and Newton, but they made giant contributions to science, including astronomy, physics, chemistry and medicine.

Stunning Tang dynasty mural in tomb unearthed in China may portray a 'Westerner' man with blond hair
By Tom Metcalfe published
A Tang dynasty tomb unearthed in China dates from the 700s, and the murals on its walls give an unprecedented view of daily life at the time.

Ancient stone circles in Norway were hiding a dark secret: dozens of children's graves
By Tom Metcalfe published
A Bronze and Iron Age burial ground for children that was unearthed in Norway was used for 600 years, and archaeologists aren't sure why.

6,000-year-old burial mound in Czech Republic may be one of earliest funeral monuments ever found in Europe
By Tom Metcalfe published
The structure is thought to be made by the people behind the Neolithic Funnel-Beaker culture.

Royal tomb in Benin has traces of human blood on its walls, hinting at human sacrifice, study finds
By Tom Metcalfe published
Researchers examining the wall of a ceremonial tomb in Benin found proteins that could have come only from human blood.

4,000-year-old 'Seahenge' in UK was built to 'extend summer,' archaeologist suggests
By Tom Metcalfe published
The construction of the monument and another beside it more than 4,000 years ago corresponds to a time of bitter cold.

'Jackpot' of 2,000 early-medieval coins discovered by hiker in Czech Republic
By Tom Metcalfe published
The coins must have amounted to a huge sum when they were buried about 900 years ago.

Viking sword with 'very rare' inscription discovered on family farm in Norway
By Tom Metcalfe published
The ancient weapon seems to be a rare type of iron sword made in the Frankish Empire.

Wreck of WWII 'Hit 'Em Harder' submarine, which sank with 79 crew on board, discovered in South China Sea
By Tom Metcalfe published
The U.S. wreck is the grave site of the 79 crew who died when the sub was sunk in battle in 1944.

2,000-year-old gold jewelry from mysterious culture discovered in Kazakhstan
By Tom Metcalfe published
Researchers think the artifacts were made during the little-known Kangju state.

Grave robbers looted lavish 1,800-year-old tombs in China — but missed this one
By Tom Metcalfe published
Archaeologists think the people in the tombs, dated to the Han dynasty, were all from the same wealthy family.
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