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Early life on Earth limited by enzyme

The enzyme-nitrogenase-can be traced back to the universal common ancestor of all cells more than four billion years ago.

Climate change could pose danger for Muslim pilgrimage: study

For the world's estimated 1.8 billion Muslims—roughly one-quarter of the world population—making a pilgrimage to Mecca is considered a religious duty that must be performed at least once in a lifetime, if health and finances ...

Switching on the Atlantic heat pump

34 million years ago, the warm greenhouse climate of the dinosaur age ended, and the colder icehouse climate of today commenced. Antarctica glaciated first, and geological data imply that the Atlantic meridional overturning ...

Detecting hydrothermal vents in volcanic lakes

Geothermal manifestations at Earth's surface can be mapped and characterized by a variety of well-established exploration methods. However, mapping hydrothermal vents in aquatic environments is more challenging as conventional ...

Atacama Desert microbes may hold clues to life on Mars

Microbial life on Mars may potentially be transported across the planet on dust particles carried by wind, according to a study conducted in the Atacama Desert in North Chile, a well-known Mars analogue. The findings are ...

NASA's aqua satellite finds a weaker Chantal, now a depression

Over the last day, winds outside of Tropical Storm Chantal have been weakening the storm in the North Atlantic Ocean. When NASA's Aqua satellite passed over the storm from its orbit in space on August 22, the storm had weakened ...

Amazon fires stir bitter dispute over who is to blame

As fires raged in the Amazon rainforest, the Brazilian government on Thursday denounced international critics who say President Jair Bolsonaro is not doing enough to curb massive deforestation.

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Environment
A law just for Trump's presidency? California measure aims to protect state's environment
Environment
Expert discusses the truth about plastic
Environment
Microplastics in drinking water not a health risk for now: WHO
Environment
Ethiopia's future is tied to water— a vital yet threatened resource in a changing climate
Environment
NASA sees a lopsided Atlantic Tropical Storm Chantal form
Environment
New tools could map out complex weather data to help firefighters predict where forest fires are likely to break out
Environment
NASA finds Tropical Depression Bailu forms east of Philippines
Environment
Satellite sees Eastern Pacific Depression 10E form
Environment
Washing laundry may be an underappreciated source of microplastic pollution
Environment
Magnets are being used to extract algal molecules for the beauty, bioplastics industries
Environment
Firefighters stabilise Canary Islands fire, most residents go home
Environment
Tel Aviv beaches fall foul in Israel's passion for plastic
Earth Sciences
Why we need new climate models
Earth Sciences
New analysis technique suggests there is far less gas to be fracked in U.K. than thought
Environment
Climate scientists may not be the best communicators of climate threats
Earth Sciences
Ocean temperatures turbocharge April tornadoes over Great Plains region
Environment
Frequent, extreme wildfires threaten to turn boreal forests from carbon sinks to carbon sources, study reveals
Earth Sciences
Researcher hones model to forecast dusty conditions months in advance
Environment
Are we really protecting rivers and streams from pollution? It's hard to say, and that's a problem
Environment
Shift to more intense rains threatens historic Italian winery

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Space Exploration
New images from asteroid probe offer clues on planet formation
Nanophysics
Ultrahigh thermal isolation across heterogeneously layered two-dimensional materials
Astrobiology
Study shows some exoplanets may have greater variety of life than exists on Earth
Materials Science
Biomaterials smarten up with CRISPR
Astronomy
Storms on Jupiter are disturbing the planet's colorful belts
Cell & Microbiology
Map of malaria behavior set to revolutionize research
Biotechnology
Experiments illuminate key component of plants' immune systems
General Physics
Maximum mass of lightest neutrino revealed using astronomical big data
Optics & Photonics
Cracking a decades-old test, researchers bolster case for quantum mechanics
Materials Science
Materials scientists build a synthetic system with compartments like real cells
Nanophysics
Nano-thermometer takes temperature inside cells
Biotechnology
High-precision technique stores cellular 'memory' in DNA
Ecology
What's killing sea otters? Scientists pinpoint parasite strain
Astronomy
Astronomers investigate radio burst emission from the magnetar XTE J1810−197
Bio & Medicine
Structure of protein nanoturbine revealed
Cell & Microbiology
Scientists successfully innoculate, grow crops in salt-damaged soil
Biotechnology
Cell suicide could hold key for brain health and food security
Archaeology & Fossils
Vikings arrived in Ireland when the population was in serious decline
Quantum Physics
Quantum gravity's tangled time
Nanophysics
New study reveals carbon nanotubes measurement possible for the first time