Signs of Life? Why Astronomers Are Excited About Carbon Dioxide and Methane in the Atmosphere of an Alien World

Exoplanet K2-18b.

Are we alone? This question is nearly as old as humanity itself. (Image: J. Olmsted (STScI) / Science: N. Madhusudhan (Cambridge University) via NASA / CSA / ESA)

Carbon-Neutral Aviation Fuel and Its Creation

Airplane seen approaching an airport with the flight control tower in the foreground.

Exploring the world can be the best gift you can reward yourself with. So, a first-time traveler outside your hometown has a few things to consider to attain a fruitful and memorable journey. (Image: Ekaterina Tarasenkova via Dreamstime)

The ‘Tug of War’ of Climate Change Keeps Scientists Guessing

World map showing the continents in green and oceans in blue painted as a mural on a wall.

Scientists are currently unable to satisfactorily project the response of storm tracks to anthropogenic climate change. (Image: Dwnld777 via Dreamstime)

Is Our Food Becoming Less Nutritious?

Various vegetables.

People like to reminisce about how food tasted better and was more nutritious ‘in the good old days,’ but could it actually be true? (Image: Engin_Akyurt via Pixabay)

Face Masks and Breathing Issues

A sign about wearing face masks.

Due to the outbreak of COVID-19, most governments have advised their citizens to wear face masks when they go out. (Image: Screenshot via YouTube)

Forest Soils Release More Carbon Dioxide Than Expected in Rainy Season

A road going through a forest.

This release of CO2 from soils to the atmosphere represents the largest flux of carbon from terrestrial ecosystems, making it a key component of the global carbon budget. (Image: 12019 via Pixabay)

Breathing? You Have Volcanoes, Tectonics, and Bacteria to Thank

Earth's atmosphere.

Earth’s atmosphere as seen from the International Space Station July 20, 2006. (Image: via NASA)

Innovative Way to Clean Air Promises Attractive Revenues

Polluting smoke stacks.

A study of 10 major cities by IQAir, a global air quality information and tech company, found that deadly particulate matter (PM, very small air particles harmful to health) in the atmosphere declined by up to 60 percent during a three-week lockdown period. (Image: Nyamdorj via Pixabay)

Researchers Invent New Technique to Remove Carbon Dioxide From the Atmosphere

A carbon dioxide pipeline warning sign.

A team of scientists seems to have found an effective way to eliminate CO2 from the atmosphere — by using industrially produced magnesite. (Image: Jeffre Beall via Wikimedia Commons)