Astronomers have discovered the closest known black hole to Earth, just 1,600 light-years away.

U.N. Secretary-General Antonio Guterres warned Thursday that the planet is heading toward irreversible “climate chaos” and urged global leaders at the upcoming climate summit in Egypt to put the world back on track to cut emissions, keep promises on climate financing and help developing countries speed their transition to renewable energy.

An Australian-led research team has cracked the genome for a native seaweed that can be fed to cattle and cut their methane emissions by more than 80 per cent.

The Albanese government has outlined $1.2 billion of funding for the Great Barrier Reef ahead of the federal budget.

Farmers across New Zealand took to the streets on their tractors Thursday to protest government plans to tax cow burps and other greenhouse gas emissions, although the rallies were smaller than many had expected.

The first Native American woman in space said Wednesday she is overwhelmed by the beauty and delicacy of Mother Earth, and is channeling “positive energy” as her five-month mission gets underway.

Chinese company XPeng has tested its electric flying taxi in the United Arab Emirates.