Planetary Sciences

Nearby super-Earth has a sulfur-rich atmosphere, Webb observations suggest

Using the James Webb Space Telescope (JWST), astronomers from the Space Telescope Science Institute (STScI) in Baltimore, Maryland and elsewhere have conducted transmission spectroscopy of a nearby super-Earth exoplanet ...

Astronomy

Massive merger: Study reveals evidence for origin of supermassive black hole at galaxy's center

The origins of aptly named supermassive black holes—which can weigh in at more than a million times the mass of the sun and reside in the center of most galaxies—remain one of the great mysteries of the cosmos.

Falling for financial scams? It may signal early Alzheimer's disease

Older adults who are more vulnerable to financial scams may have brain changes linked to a higher risk of Alzheimer's disease, according to a first-of-its-kind study led by researchers at the USC Dornsife College of Letters, ...

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Tech Xplore

Video: Mars rover trials

Rover trials in a quarry in the U.K. showing a four-wheeled rover, known as Codi, using its robotic arm and a powerful computer vision system to pick up sample tubes.

Q&A: What 106°F heat does to plants

With temperatures across much of Southern California crossing triple digits this week, we are relying more than ever on plants to keep us cool outside. But the plants don't get much of a break from the relentless sun.

New firmoss species found in Guizhou, China

Huperzia is a genus of lycophyte plants, sometimes known as the firmosses or fir clubmosses. It contains about 25 species that mainly occur in temperate and boreal climatic zones of the world.

ChemCam hits 1 million laser shots on Mars since 2012

The ChemCam instrument, developed at Los Alamos National Laboratory, recently zapped its laser for the 1 millionth time on Mars. Sitting on top of NASA's Curiosity rover, ChemCam has been helping make groundbreaking discoveries ...

Why are we so fascinated with aliens?

Robert Smith is convinced the aliens have won. "The invasion has happened—it's all over," says the University of Alberta space historian who teaches a course on the history of extraterrestrials.

Fisheries research overestimates global fish stocks, say experts

Many fish stocks around the world are either threatened by overfishing or have already collapsed. One of the main reasons for this devastating trend is that policymakers have often ignored the catch limits calculated by scientists, ...

From clouds to fjords, the Arctic bears witness to climate change

Climate change is particularly intense in the Arctic. To assess its consequences and determine what role this region plays in global warming, two teams of scientists from EPFL have visited the area. One to gain a better understanding ...

Repurposing pencil lead as an optical material using plasma

Optical materials are essential in many modern applications, but controlling the way a material reflects light on its surface is costly and difficult. Now, in a recent study, researchers from Japan found a simple and low-cost ...

Surf spots are global ally in climate fight, study finds

A first-of-its-kind study, published today in Conservation Science and Practice, has found that the forests, mangroves and marshes surrounding surf breaks store almost 90 Mt (million metric tons) of climate-stabilizing "irrecoverable ...

EU firefighters to join as Greece battles blaze

Greece battled a massive wildfire near Athens for a third day on Tuesday, with hundreds of European firefighters due to join the effort to contain the deadly blaze that has scorched parts of the capital's suburbs.

Webb captures new image of gassy baby stars

NASA's James Webb Space Telescope has captured a phenomenon for the very first time. The bright red streaks at top left of this June 20, 2024, image are aligned protostar outflows—jets of gas from newborn stars that all ...

The next full moon is a supermoon blue moon

The next full moon is a supermoon, a blue moon; the sturgeon moon; the red, corn, green corn, barley, herb, grain, or dog moon; Raksha Bandhan or Rakhi Purnima; and Tu B'Av.