The world’s oceans are a vast reservoir of heat and a slow register of natural climate change.
In high-risk maneuver, New Horizons cruises by mysterious, bowling pin-shaped Ultima Thule, 4 billion miles from Earth.
Claims of a climate change hiatus in observed temperatures early this century are unfounded and lack statistical significance.
Many "scientific" questions are more accurately considered moral questions. The EPA and Interior Department are failing in both areas.
An alarming new report reveals the last five years have been the region's hottest in recorded history.
Tackling climate change is urgent. Can we act in time? Yes, one argument runs. What we are doing in protecting public health shows how.
"An untold number of lives ... have been saved by the science that they pioneered," one doctor says of the immune system research of James Allison and Tasuku Honjo.
Using commonly available chemicals, potable water can be drawn straight from the atmosphere, providing a possible lifeline for arid regions.
Its last hope for competing with renewable energy is the creation of small modular reactors, but despite political support, the industry's future looks dim.