Can we ever achieve absolute cold?
READ MOREThe oldest ice core ever drilled outside the polar regions may contain ice that formed during the Stone Age — more than 600,000 years ago, long before modern humans appeared.
READ MOREWhile on a highway in Toronto, this driver spotted a bizarrely beautiful cloud hovering over the city. What do you think it looks like?
READ MOREThe ExoMars orbiter is going strong, and slowing down.
READ MOREThe era of renewed space exploration has led to some rather ambitious proposals.
READ MOREAn international team of astronomers from Australia, China and the United States has discovered that all galaxies rotate once every billion years, no matter how big they are.
READ MORE