When did grey squirrels start posing a threat to reds?
Image source, PA MediaImage caption, Grey squirrels, native to North America, carry a virus which is deadly to red squir...
Tens of thousands of fridge freezers left at docks as household collections suspended
Image source, Media WalesImage caption, The closure of the Newport site is thought to have taken away about 30% of the f...
Nature reserve to double in size, thanks to gift
Image source, Ben WilesImage caption, Staffordshire Wildlife Trust has secured more land on the reserve due to the gift ...
Scientists build a DNA computer that can perform calculations in a drop of water
This programmable DNA computer can perform arithmetic without the continuous energy input needed by other systems.
An 'impossible' black hole merger may finally be solved thanks to Einstein's relativity — but it raises an even bigger mystery
New research suggests that a perplexing signal created by a pair of colliding black holes may have been warped by a spac...
Two Centuries On, Smithsonian Connects Jefferson’s Hair to Hemings’s Children
A new book describes how cutting-edge genomics techniques yielded “extraordinary proof” that Thomas Jefferson fathered c...
Creating a Kill Switch to Shut Down a Rogue A.I. Is Harder Than It Sounds
A bipartisan group in Congress and Gov. Gavin Newsom of California have floated ideas for building a mechanism that woul...
How Trump Has Disrupted National Parks
Maintenance projects have been put off around the country and resources diverted to the president’s favored projects in ...
Why does blond hair tend to darken with age?
Some children have blond hair that darkens as they grow up. What causes this change?
Have you seen the hummingbird hawk moth?
Image source, Getty Images/Gregory DubusImage caption, The hummingbird hawk moth hovers as it feeds from flowers, much l...
When a beloved tree began withering away, locals suspected a killer in their midst
Image source, JungWhen a beloved tree began withering away, locals suspected a killer in their midstByYujin Choi, BBC Ko...
Video Shows a San Diego Dog Seeming to Greet an Intruder. Why Didn’t He Bark?
Dog behavior experts offered a variety of explanations for why Nash the golden retriever wagged his tail and carried a t...