A fossil discovered in Patagonia shows a 3.5-metre-long reptile from the late Cretaceous with large, serrated teeth capable of slicing through muscle

People used to experience an "unhappiness hump" around midlife, but declining youth mental health may mean that is no longer the case

People used to experience an "unhappiness hump" around midlife, but declining youth mental health may mean that is no longer the case

Clues to our planet’s dramatic past are in the layers of rocks we might overlook. A great guide shows why they deserve our attention, says James Dinneen

Clues to our planet’s dramatic past are in the layers of rocks we might overlook. A great guide shows why they deserve our attention, says James Dinneen

Sky watchers are in for a treat next month, says Abigail Beall, when there is a total lunar eclipse visible in much of the world

The new book "Gemini and Mercury Remastered" features iconic images from the earliest days of human space exploration

The history of carbon dioxide’s role in life on Earth combined with a call to climate action makes for compelling reading, finds Chris Stokel-Walker

In this latest instalment of Future Chronicles, an imagined history of future inventions, Rowan Hooper explores the advances that meant an optical telescope with an effective mirror size of 3000 km could be built on the moon

Feedback is alerted by a reader to the latest effort to create a quantum computer that can factorise extremely large numbers, and discovers an abrupt shift to K9 tech

We are happy to inject synthetic substances into our faces in ever-increasing amounts, but reluctant to eat plant-based or cultivated fake meats. This inconsistent attitude has implications for sustainability, says Sophie Attwood

Why did Christianity grow from a niche sect to a religion followed by billions? Michael Marshall explores Alice Roberts’s latest book Domination

Categorising the Denisovans as a distinct species would allow us to more comprehensively trace our own evolutionary development

Sky watchers are in for a treat next month, says Abigail Beall, when there is a total lunar eclipse visible in much of the world

The new book "Gemini and Mercury Remastered" features iconic images from the earliest days of human space exploration

The history of carbon dioxide’s role in life on Earth combined with a call to climate action makes for compelling reading, finds Chris Stokel-Walker

In this latest instalment of Future Chronicles, an imagined history of future inventions, Rowan Hooper explores the advances that meant an optical telescope with an effective mirror size of 3000 km could be built on the moon

Feedback is alerted by a reader to the latest effort to create a quantum computer that can factorise extremely large numbers, and discovers an abrupt shift to K9 tech

We are happy to inject synthetic substances into our faces in ever-increasing amounts, but reluctant to eat plant-based or cultivated fake meats. This inconsistent attitude has implications for sustainability, says Sophie Attwood

Why did Christianity grow from a niche sect to a religion followed by billions? Michael Marshall explores Alice Roberts’s latest book Domination