Viruses Through the Looking-Glass
The electron microscope brought about a paradigm shift in virology in the middle of the twentieth century.
NASA’s Europa Clipper
The spacecraft will investigate whether an icy moon of Jupiter can support alien life.
“Follow the Salt”: A New Strategy for Finding Life on Mars
Scientists might be looking for Martian life in the wrong place.
Snowball Earth
How scientists discovered that unique Scottish rocks record when Earth was first encased in ice.
Meteorite Strike in South Africa
Scientists offer clues about what it is and where it came from.
Biofuels: Feeding the Earth or Feeding the Engine?
Around the world, biofuels, so-called green energy sources, are waving major red flags.
9 Ways to Create an “Intellectually Humble” Classroom
A university faculty member offers practical pedagogical steps to incorporate in the classroom to foster an intellectually humble environment.
The Case of the Volcano on the Moon
In 1958, Soviet astrophysicist Nikolai A. Kozyrev claimed there was an active volcano on the Moon. Dutch American astronomer Gerard P. Kuiper begged to differ.
Meteorites from Mars
Meteorites that come from Mars help scientists understand the red planet’s interior.
Out with a Whimper
Some species go extinct obviously and fast, but just as often, the process can be hard to detect until it’s too late.