Stunningly preserved fossils of reptilian footprints and underbellies discovered last year in the Italian Alps have helped researchers unearth a tropical lakeside ecosystem that predates dinosaurs.

On Nov. 19, 1969, astronaut Alan L. Bean, lunar module pilot for the Apollo 12 mission, begins to step off the ladder of the lunar module to join astronaut Charles Conrad Jr., mission commander, in a spacewalk. Conrad and Bean

CDC calls for stronger protections.

You're in for a bumpy ride.

California health officials reported Tuesday that a child in Alameda Co. has been infected with bird flu; source unknown.

Michael Regan said the EPA is working with state and federal partners to address elevated lead levels in drinking water in South L.A. communities.

New mothers are more likely to suffer depression if they are exposed to certain types of air pollution in the second trimester of pregnancy, researchers say.

As recent flooding in Spain and elsewhere revealed, every minute of warning given to people ahead of a possible flood can save lives and property. A new paper published in the journal Hydrology may help authorities improve flood evacuation protocols

A study published Nov. 19 in Communications Earth and Environment shows land in California's San Joaquin Valley has been sinking at record-breaking rates over the last two decades as groundwater extraction has outpaced natural recharge.

Hurricanes, or tropical cyclones, can be devastating natural disasters, leveling entire cities and claiming hundreds or thousands of lives. A key aspect of their destructive potential is their unpredictability. Hurricanes are complex weather phenomena, and how strong one will be

A transformative phenomenon seen for the first time.

Cleverer than we suspected?

What is the “most Canadian” animal? Spoiler: it’s not the beaver or the moose. Researchers have unveiled the most evolutionarily distinct Canadian terrestrial vertebrates, including the spiny softshell turtle and mudpuppy. The study stresses the importance of these species in

Lake Geneva’s CO₂ emissions stem mainly from rock erosion, not organic matter, reshaping our understanding of lake carbon cycles. Unlike oceans, lakes release considerable amounts of CO₂ into the atmosphere. But what causes this difference, and what mechanisms drive it?