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The giant river lizard Pannoniasaurus inexpectus (top) was roughly six metres long. In life, the animal would have resembled the smaller, related Aigialosaurus (bottom). FunkMonk/Wikimedia Commons

‘Aquatic Komodo dragon’ was the ultimate river monster

An aquatic lizard twice the length of a Komodo dragon once lurked in rivers during the age of dinosaurs, according to a team of Hungarian-Canadian researchers. The 85 million-year-old Pannoniasaurus is…
A 240 million-year-old dinosaur was the size of a golden retriever with a very long tail. Natural History Museum Mark Witton

Dog-sized reptile extends the dinosaur age by 10 million years

Before this week, palaeontologists believed the earliest known dinosaurs were small bipedal creatures that lived 230 million years ago in South America. This “oldest known dinosaur” floor proved quite…
Since the early 20th century, there have been claims that dinosaurs were warm-blooded. Bharath Kishore

Hot fuss: is warm-blooded dinosaur theory right or wrong?

Mark Twain reputedly said it wasn’t what he didn’t know that bothered him, but what he knew that wasn’t true. A recent contribution on dinosaur physiology in Nature, by palaeontologist Meike Köhler and…
Dinosaur remains have been found on all continents, including Australia. Peter Trusler

Three decades, 37 bones: the long hunt for Victorian dinosaurs

Dinosaur remains have been found on every continent on Earth and we know these creatures dominated the planet’s ecosystems for around 140 million years. But despite their abundance elsewhere, few discoveries…
Cows’ methane emissions can be measured with lasers, but it’s not that easy to measure emissions from an extinct sauropod. Mark Witton

How do you make a dinosaur burp in a bag? Measuring prehistoric methane

Last week my colleagues and I published a paper showing how methane emitted by dinosaurs could have affected the world’s climate. The media response was huge, with 100+ interviews by email and phone, and…
Artist’s impression of an individual Yutyrannus. Dr Brian Choo

Dinosaurs of a feather: meet T-Rex’s fluffy cousin

It’s taken a century of debate, but in the past two decades we’re finally understanding where birds came from. Now, with a new study published in the journal Nature, Chinese and Canadian researchers have…
Yutyrannus huali is the largest known feathered animal, living or extinct. Artist's impression: Dr Brian Choo

Relative of T. Rex was biggest feathered animal ever

A newly discovered species of feathered tyrannosaurus, Yutyrannus huali, grew up to 9 metres in length and weighed about 1400 kg, making it 40 times heavier than the largest previously known feathered…

Winged dinosaur had iridescent plumage

A team of palaeontologists from across the globe has reconstructed the colour and feather pattern of a winged dinosaur that…

Blame it on the volcanoes

Dinosaurs were probably made extinct by a combination of colossal volcanic eruptions and meteorite strikes, according to…
Our “first” feathered friend no longer has the wind beneath its wings. Xing Lida and Liu Yi

Move over Archaeopteryx – an earlier bird caught the worm

As little as 15 years ago, the boundary between birds and dinosaurs was a fairly sharp one. On one side was Archaeopteryx, a 150 million-year-old magpie-sized creature from Bavaria, southern Germany, long…

Ancient turtle survived meteorite

The remains of a turtle that survived the 65 million-year-old meteorite impact that wiped out the dinosaurs have been found…

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