[ad_1] Florida’s Everglades is facing a stealthy invasive threat beneath its waters as the Asian swamp eel spreads through wetlands and preys on fish, crayfish, frogs and other aquatic animals. The air-breathing fish, native to East and Southeast Asia, has been established in Florida for decades, but researchers are increasingly documenting severe ecological consequences in…

[ad_1] A replica of the world’s first liquid propellant rocket, PC: Wikimedia Commons On March 16, 1926, on a snowy farm in Auburn, Massachusetts, physicist Robert H. Goddard set up a slim, 10-foot rocket he had nicknamed Nell on a launch frame in an open field. Fueled by gasoline and liquid oxygen, the rocket climbed…

[ad_1] Goddard physicist Henry Plotkin inspects the retroreflector array destined for the 1964 Beacon Explorer A satellite, PC: Henry Plotkin/ Nasa On October 29, 1964, a team at NASA‘s Goddard Space Flight Centre in Greenbelt, Maryland, recorded the first successful laser returns from an artificial satellite. The target was Beacon Explorer B, also known as…

[ad_1] Representative Image (AI-generated) For more than three decades, a collection of animal bones from Ireland’s Ferriter’s Cove was considered some of the earliest evidence that farming had reached the island. But new research has now overturned that interpretation. According to University College Dublin (UCD), bones once identified as cattle have instead been identified as…

[ad_1] In Florida’s canals and wetlands, some of the most consequential changes are difficult to see. An Asian swamp eel can spend much of its time buried in mud or hidden beneath vegetation, emerging to feed when water returns. That makes it very different from the Burmese pythons that have become a familiar symbol of…