Solar activity not a key cause of climate change, study shows
Climate change has not been strongly influenced by variations in heat from the sun, a new scientific study shows.
Global warming is due to humans: US ex-skeptic (Update)
A prominent US skeptic of the human causes of climate change, Richard Muller, has reversed course and said on Monday that he now believes greenhouse gases are responsible for global warming.
Late 20th century was warmest in 1,400 years
Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years, according to climate records presented ...
Expanding Spot on Venus Puzzles Astronomers
Galapagos volcano erupts, could threaten wildlife
(AP) -- Ecuador officials say a volcano is erupting in the Galapagos Islands and could harm unique wildlife.
Climate report struggles with temperature quirks (Update)
Scientists working on a landmark U.N. report on climate change are struggling over how to address a wrinkle in the meteorological data that has given ammunition to global-warming skeptics: The heating of ...
Mystery mechanism drove global warming 55 million years ago
A runaway spurt of global warming 55 million years ago turned Earth into a hothouse but how this happened remains worryingly unclear, scientists said on Monday.
Earth's massive extinction: The story gets worse
Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...
Latest eruption at Hawaii's Kilauea takes breather
Kilauea volcano's latest eruption has decreased in activity and taken a breather from furiously spewing out lava for five days.
Experts reaffirm asteroid impact caused mass extinction 65 million years ago (w/ Video)
(PhysOrg.com) -- Responding to challenges to the hypothesis that an asteroid impact caused a mass extinction on Earth 65 million years, a panel of 41 scientists re-analyzed data and provided new evidence, ...
Acid raid, ozone depletion contributed to ancient extinction
Rain as acidic as undiluted lemon juice may have played a part in killing off plants and organisms around the world during the most severe mass extinction in Earth's history.
Spectacular Mars images reveal evidence of ancient lakes (w/ Video)
Spectacular satellite images suggest that Mars was warm enough to sustain lakes three billion years ago, a period that was previously thought to be too cold and arid to sustain water on the surface, according ...
New analysis explains formation of bulge on farside of moon
(PhysOrg.com) -- A bulge of elevated topography on the farside of the moon--known as the lunar farside highlands--has defied explanation for decades. But a new study led by researchers at the University of ...
Rock of ages: Clues about Mars evolution revealed
Through the study of a popular Martian meteorite's age, a University of Houston professor and his team have made significant discoveries about the timeline of volcanic activity on Mars.