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

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 achieved gravitational dominance in its region, the International Astronomical ...

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

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

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

February 8th has witnessed a multitude of significant events throughout history, spanning various categories such as science, ...

The latest volley of tariff threats has evoked painful memories of the trade war unleashed by Trump in his first term. Among ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

The temporary belts, one of which still remains, were filled with high-energy electrons and protons and were found by a ...

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged geomagnetic storm in May 2024, including a never-before-seen structure that is ...

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