The Hubble constant: a mystery that keeps getting bigger
Scientists have found a discrepancy in estimates for the rate of expansion of the universe. Why is this and what does it mean?
News to promote peace, environment, justice and goodwill.
Scientists have found a discrepancy in estimates for the rate of expansion of the universe. Why is this and what does it mean?
A quick tour of the big stores shows they could do much more to cut out plastic
The philosopher Mary Warnock who died last week made huge contributions to British life. Why are her successors absent from the national conversation?
It has been the butt of jokes for years, but the online encyclopedia represents mankind at its very best
Dozens of scientists, Helen Czerski among them, are at work in the Arctic, seeking answers to questions that profoundly affect the future of everyone on the planet
Wildlife in most of the lawless high seas faces an existential threat from fishing, shipping and the military. Next month, a landmark UN conference could finally bring hope
The social media giant has assembled a team of experts to spot abuses and protect the company’s reputation. But what do security experts think?
Late-night research, isolation and a strict, male-dominated hierarchy are the perfect conditions for sexual harassment. With colleges struggling to enforce conduct codes, what can be done?
A new book shows how the republic’s government has adapted to the challenge of a networked age
Government promises action on collisions to avoid slaughter on busy shipping routes