For this, astronomers used two facilities: the Submillimeter Array (SMA), CfA's eight-dish collection of radio telescopes in ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Defense will be a priority for top Giants prospect Bryce Eldridge in spring training, but San Francisco knows his offensive ...

When we visited Yerkes Observatory in 2021, it was closed and faced a daunting road back, yet its director had big plans. It ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...

NASA’s New Horizons mission changed our understanding of the outer solar system. After its famous Pluto flyby, it traveled ...

NASA and ESA monitor asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Learn about Near-Earth Objects ...