The largest survey of exoplanet spins confirms a long-held prediction

On April 4, 2026, NASA astronaut and Artemis II Commander Reid Wiseman peers out of one of the Orion spacecraft’s main cabin windows, looking back at Earth, as the crew travels towards the Moon. The Artemis II astronauts – Wiseman and fellow NASA astronauts Christina Koch and Victor Glover, and CSA (Canadian Space Agency) astronaut […]

Algae blooms make a pond's surface shine in mesmerizing green hues. But if the microorganisms responsible are cyanobacteria, they can also release toxins that harm humans and wildlife alike. A team reporting in ACS ES&T Water has designed a "set it and forget it" system for distributing algaecide using specialized buoys tethered at the site of a bloom. In tests, the buoys removed nearly all cyanobacteria without the need for frequent reapplication.

This image captured by U.S.-Indian Earth satellite NISAR on Nov. 10, 2025, shows Washington's Mount St. Helens. The image is cropped from a much larger swath spanning the Pacific Northwest on a cloudy day; NISAR's L-band SAR instrument is able to peer through the clouds at the surface below.

More than 50 years after humans first flew around the moon, Artemis astronauts will repeat the feat on Monday and use the most basic instrument to study it: their eyes.