One of the great puzzles of modern space science is neatly summed up by the view from NASA’s Perseverance, which just landed on Mars: Today it’s a desert planet, and yet the rover is sitting right next to an ancient river delta.
articles
Asteroid That Hit Botswana in 2018 Likely Came From Vesta
An international team of researchers searched for pieces of a small asteroid tracked in space and then observed to impact Botswana on June 2, 2018.
New Study Shows Microbes Trap Massive Amounts of Carbon
Violent continental collisions and volcanic eruptions are not things normally associated with comfortable conditions for life.
What Spurs People to Save the Planet—Stories or Facts?
With climate change looming, what must people hear to convince them to change their ways to stop harming the environment?
Ozone Pollution Falls Thanks to Lower Nitrogen Oxide Emissions
Nitrogen oxides (NOx) are among the precursors of ground-level ozone, which can irritate the eyes, nose and throat and aggravate respiratory conditions.
Cleaner Water Through Corn
Corn is America’s top agricultural crop, and also one of its most wasteful.




