The Hubble constant: a mystery that keeps getting bigger
Scientists have found a discrepancy in estimates for the rate of expansion of the universe. Why is this and what does it mean?
News to promote peace, environment, justice and goodwill.
Scientists have found a discrepancy in estimates for the rate of expansion of the universe. Why is this and what does it mean?
Fake news spread by those with a profit motive is leaving many people oblivious to the threat of climate change, says former head of US space agency
Scientists describe ‘cultural loss of unprecedented magnitude’ as global atlas reveals extent of light pollution in the world’s skies
“Of course we can better guard against such things by requiring our intelligence satellites to carry defensive mechanisms on board. But the trouble is how …
A new NASA study modeling conditions in the ocean of Jupiter’s moon Europa suggests that the necessary balance of chemical energy for life could exist …
On March 21, 2016, Comet 252P/LINEAR made its closest approach yet, traveling within 3.3 million miles of Earth, or about 14 times the distance between …