Search Results for:

Open the calendar Use the arrow keys to select a date
10,000 results
  1. Ambopteryx longibrachium

    Bat-winged dinosaurs were clumsy fliers

    The two known species of bat-winged dinosaurs were a dead end when it comes to the evolution of bird flight, a new study finds.

  2. ancient bone tool

    Homo erectus, not humans, may have invented the barbed bone point

    Carved artifacts excavated from Tanzania’s Olduvai Gorge suggest now-extinct hominids made barbed bone points long before humans did, researchers say.

  3. workers standing at a drilling site in Kenya's Koora basin

    How environmental changes may have helped make ancient humans more adaptable

    An East African sediment core unveils ecological changes underlying a key Stone Age transition.

  4. OSIRIS-REx spacecraft illustration

    NASA’s OSIRIS-REx survived its risky mission to grab a piece of an asteroid

    NASA’s OSIRIS-REx spacecraft just tried to grab a piece of asteroid Bennu. If successful, the spacecraft will return the sample to Earth in 2023.

  5. diabolical ironclad beetle

    The diabolical ironclad beetle can survive getting run over by a car. Here’s how

    The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.

  6. Naked mole-rats in a pile

    Naked mole-rats invade neighboring colonies and steal babies

    Naked mole-rats invade neighboring colonies, steal pups and evict any others left behind. The show of force may be central to their underground lifestyle.

  7. ocean

    Even the deepest, coldest parts of the ocean are getting warmer

    Deep-sea temperatures seem to be rising, but it’s too soon to say whether that’s a result of climate change caused by humans, researchers say.

  8. fire ants building syphons

    Fire ants build little syphons out of sand to feed without drowning

    To escape a watery death, some fire ants use build sand structures that draw the insects’ sugary, liquid food out of containers and to a safer place.

  9. Hainan gibbon on a rope bridge

    A rope bridge restored a highway through the trees for endangered gibbons

    When critically endangered Hainan gibbons started making dangerous leaps across a new gully, researchers came up with an alternative route.

  10. people wearing masks

    We still don’t know what COVID-19 immunity means or how long it lasts

    Without knowing how long immunity lasts, it may be impossible to reach herd immunity without a vaccine or an extremely high death toll.

  11. Anopheles mosquito

    Heating deltamethrin may help it kill pesticide-resistant mosquitoes

    A simple chemical trick creates a much faster-acting form of a common insecticide, which could help fight malaria and other mosquito-borne illnesses.

  12. COVID-19 drug remdesivir
    Health & Medicine

    Remdesivir doesn’t reduce COVID-19 deaths, a large WHO trial finds

    An international study of more than 11,000 people finds that remdesivir doesn’t prevent deaths from COVID-19, but the drug may still be useful.