After allegations of misconduct were published on the website Patheos, Fox Entertainment, National Geographic and the producers of the show "Cosmos" are investigating the celebrity astrophysicist.
They calculated that stars have emitted 4-by-10-to-the-84th photons across the universe.
In 2020, the space agency will launch a rover to look for evidence of ancient life in Mars's Jezero Crater.
In Brazil, insects built 200 million mounds of rock-hard dirt.
Children, the elderly and people who spent significant time outside are particularly at risk for breathing complications.
Scientists have observed animals during eclipses for centuries, but the 2017 event offered the most sophisticated insights yet.
Rep. Eddie Bernice Johnson has a message for scientists: Congress is open and wants to hear from you.
This year, scientists, doctors and engineers ran for office like never before. Here's how they did.
The Parker Solar Probe could help us understand and protect ourselves from solar eruptions.