July was Earth's hottest month in modern times: NOAA

Soaring temperatures worldwide made July the Earth's hottest month in modern times, setting a new high mark for global heat in 137 years of record-keeping, US government scientists said Wednesday.

Why a half-degree temperature rise is a big deal

The Paris Agreement, which delegates from 196 countries hammered out in December 2015, calls for holding the ongoing rise in global average temperature to "well below 2 °C above pre-industrial levels," while "pursuing efforts ...

NASA tests deep space rocket booster ahead of 2018 mission

NASA on Tuesday performed its second and last test-fire of a rocket booster for the Space Launch System (SLS), a powerful engine that may one day launch astronauts to Mars, the US space agency said.

First signs of coral bleaching in Sydney Harbour: scientists

Coral bleaching has been detected in Sydney Harbour for the first time, Australian scientists said Tuesday, blaming the damaging phenomenon also found in the Great Barrier Reef on warming sea-surface temperatures.

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