NASA’s next exoplanet hunter, TESS, launches today to seek planets in 85 percent of the sky. Read more

In the first experiment to measure what exoplanets might be like on the inside, scientists hit iron with 176 lasers at once. Read more

The book Weird Math attempts to make chaos theory, higher dimensions and other concepts more relatable. Read more

In the wake of the Facebook data breach, personal privacy experts say there’s little individuals can do to control their personal information online. Read more

A new international agreement places a cap on greenhouse gas emissions from international cargo ships. Read more

Few of Custer’s men killed themselves in the face of overwhelming Native American numbers at the Battle of the Little Bighorn, skeletal data suggest. Read more

Hoping to inject evidence-based science into policy, more scientists are putting their name on the ballot. Read more

Norovirus targets a rare type of gut cell, a study in mice finds. Read more

Genetic analysis suggests that sweet potatoes were present in Polynesia over 100,000 years ago, and didn’t need help crossing the Pacific. Read more

New measurement of the fine-structure constant is the most precise yet. Read more