View full image. | Computer simulation from the Event Horizon Telescope Collaboration (EHT) of what a…
Category: Earth Sky
Pioneer 11 swept past Saturn 45 years ago today
Pioneer 11 caught this image of Saturn when the spacecraft was 1,768,422 miles (2,846,000 km) from…
Water on exoplanets is mostly hidden deep inside
View larger. | Artist’s concept of K2-18b, a mini-Neptune or sub-Neptune exoplanet about 124 light-years from…
4 asteroids named for amateur astronomer’s great-grandparents
Filipp Romanov is an amateur astronomer in Russia who has discovered 4 asteroids. He proposed naming…
New Horizons measures the darkness of deep space
New Horizons, the mission that swept past Pluto in 2015 and then into the deep outer…
New SETI search goes beyond our Milky Way
View larger. | The Murchison Widefield Array (MWA) in Western Australia. SETI astronomers used it for…
Did black holes make early galaxies blaze really bright?
When you look at this image, you’re seeing some early galaxies in the very young universe.…
Measuring the speed of winds on Mars using sound
Researchers Robert White (left), Ian Neeson (center) and Don Banfield (right) in the Mars Simulation Wind…
Ancient Mars lake was larger than any on Earth
View larger/full image. | This color-coded topographic map from ESA’s Mars Express orbiter shows part of…
Polaris, the North Star, has spots on its surface
Here’s a false color image from CHARA Array of Polaris – the North Star – from…