Grey squirrels can actually come in black morphs, which are doing well in one US city because they're less likely to become roadkill
Varda, a US firm planning to manufacture pharmaceuticals in low Earth orbit, is expecting its second test capsule to return to Earth this week
Around the world, the earliest buildings are typically round while later ones are rectangular – but 12,000-year-old buildings with corners don’t fit the pattern
A comparison of 263 species supports the idea that large animals have higher rates of cancer than smaller ones. But the increase is less than expected, suggesting they have evolved ways to lower their risk
Preserved wooden spears from hundreds of thousands of years ago seem to have been suitable for throwing, not just close-range attacks
The site of a deep-sea mining test in 1979 had lower levels of biodiversity when researchers revisited it in 2023 compared with undisturbed areas nearby
A SpaceX Falcon 9 rocket is about to launch a number of missions, including a private lunar lander, a lunar satellite for NASA and a prospecting probe for an asteroid-mining company
Tracks and footprints found in New Mexico are by far the earliest evidence of people using primitive vehicles to transport things
NASA's Juno spacecraft swooped in for a close look at a massive thunderstorm on Jupiter, revealing that it may have similarities to storms on Earth
When offered a choice of bowls, free-ranging dogs in India tend to approach a yellow one much more than blue or grey