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Writing in The Conversation, Research Fellow Dr Sandra Álvarez-Carretero (UCL Biosciences) explains how her research offers new insights into the origin of life on Earth. Understanding how life began and evolved on Earth is a question that has fascinated humans for a long time, and modern scientists have  made great advances  when it comes to finding some answers.

The discovery, published in Nature, opens a new window on early animal evolution. At first glance, the simple, spikey sea sponge is no creature of mystery. No brain. No gut. No problem dating them back 700 million years. Yet convincing sponge fossils only go back about 540 million years, leaving a 160-million-year gap in the fossil record.

The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs early in the Jurassic period about 180 million years ago, suggests a new study led by UCL and University of Vigo researchers. In the early 20 century, dinosaurs were considered slow-moving, "cold-blooded" animals like modern-day reptiles, relying on heat from the sun to regulate their temperature.

Scientists have discovered remnants of the Earth's oldest fossil forest on the north coast of Devon and Somerset in the UK. The trees, which are around 390 million years old, are thought to have grown as part of an extensive forest covering the east coast of the Old Red Sandstone continent - part of Europe at that time.

Restudy of fossils collected in New Mexico digs up key clues about T. rex's origins in North America. Published on Thursday 11 January 2024 Last updated on Thursday 11 January 2024 A new study published in Scientific Reports reshapes our understanding of how the most famous dinosaur to ever walk the earth - Tyrannosaurus rex - first arrived in North America by introducing its earliest known relative on the continent.

Nanotyrannus was a smaller, longer-armed relative of T. rex, with a narrower snout. Published on Wednesday 3 January 2024 Last updated on Wednesday 3 January 2024 A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex .

Investigations conducted by The University of Manchester find the allegations made by Melanie During, published in Science in December 2022, that Robert DePalma " wanted to claim credit for identifying the dinosaur-killing asteroid's season of impact and fabricated data in order to be able to publish a paper before she did " were unfounded.

Researchers from the University of Southampton are set to appear in a new BBC Natural History programme revealing the secrets of a giant pliosaur, a ferocious predator which inhabited our seas at the same time as dinosaurs roamed the Earth about 150 million years ago. The documentary, titled 'Attenborough and the Giant Sea Monster' (BBC One and iPlayer, 8pm, 1 January 2024), follows Sir David Attenborough on a journey of discovery as he explores the fascinating story of an enormous marine reptile whose skull was found buried on the Dorset coast near Kimmeridge Bay.

Contrary to current understanding, the brains of human newborns aren't significantly less developed compared to other primate species, but appear so because so much brain development happens after birth, finds a new study led by UCL researchers.

A new analysis of the bones and muscles in ancient fish gives new clues about how the shoulder evolved in animals - including us. The shoulder girdle - the configuration of bones and muscles that in humans support the movement of the arms - is a classic example of an evolutionary 'novelty'. This is where a new anatomical feature appears without any obvious precursors; where there is no smoking gun of which feature clearly led to another.

X-rays of an ancient jawless fish shows earliest-known example of internal cartilage skull, unlike that of any other known vertebrate. A 455-million-year-old fossil fish provides a new perspective on how vertebrates evolved to protect their brains, a study has found. In a paper published in Nature today (Wednesday 20 September), researchers from the University of Birmingham, Naturalis Biodiversity Centre in Leiden, Netherlands; and the Natural History Museum have pieced together the skull of Eriptychius americanus.

Vectidromeus insularis was a herbivorous dinosaur belonging to the hypsilophodont family, and is only the second species in this family to be discovered. Published on Thursday 14 September 2023 Last updated on Thursday 14 September 2023 Scientists have discovered a new species of small plant-eating dinosaur on the Isle of Wight in southern England (UK).

Paleoclimate evidence shows that around 1.1 million years ago, the southern European climate cooled significantly and likely caused an extinction of early humans on the continent, according to a new study led by UCL researchers. Published in the journal Science , the team of researchers discovered the occurrence of previously unknown extreme glacial conditions around 1.1 million years ago.

A study led by the University of Oxford has brought us one step closer to solving a mystery that has puzzled naturalists since Charles Darwin: when did animals first appear in the history of Earth? The results have been published today in the journal Trends in Ecology & Evolution . Animals* first occur in the fossil record around 574 million years ago.

Palaeontologists at the University of Southampton studying a British dinosaur tooth have concluded that several distinct groups of spinosaurs - dinosaurs with fearsome crocodile-like skulls - inhabited southern England over 100 million years ago. The team, from the University's EvoPalaeoLab, carried out a series of tests on the 140 million year old tooth, discovered in the early 20th century, in a thick, complicated rock structure named the Wealden Supergroup.

Scientists have discovered a new species of rare mosasaur in Morocco, adding to evidence of the vast diversity of these marine reptiles 66 million years ago. Scientists have discovered a new species of mosasaur, a sea-dwelling lizard from the age of the dinosaurs, with strange, ridged teeth unlike those of any known reptile.

Scientists discover differences in the way early herbivore dinosaurs ate their food Although most early dinosaurs were vegetarian, there were a surprising number of differences in the way that these animals tackled eating a plant-based diet, a new study reveals. Scientists used CT scans of dinosaur skulls to track the evolution of early dinosaur herbivores - reconstructing jaw muscles and measuring the animals' bite force to understand how dinosaur feeding evolved.

Climate change, rather than competition, played a key role in the ascendancy of dinosaurs through the Late Triassic and Early Jurassic periods. According to new research, changes in global climate associated with the Triassic-Jurassic mass extinction - which wiped out many large terrestrial vertebrates such as the giant armadillo-like aetosaurs - actually benefitted the earliest dinosaurs.

Scientists find copies of lost fossil destroyed in WWII hiding in a US museum. The world's first complete skeleton of a prehistoric reptile brought to the attention of science was discovered a little over 200 years ago and named ' Proteosaurus '. Unfortunately, that fossil was destroyed in an air raid in May 1941, during WWII, with no copies thought to exist.

A fossil discovery from Scotland has provided new information on the early evolution of lizards, during the time of the dinosaurs, reports a study involving UCL researchers. The tiny skeleton discovered on the Isle of Skye, called Bellairsia gracilis , is only 6 cm long and dates from the Middle Jurassic, 166 million years ago.