Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

The horizontal coordinate system uses two angles: altitude (or elevation) and azimuth, relative to the observer’s horizon, to locate the celestial object in three-dimensional space. This method is ...

Planet 9 project have identified an object traveling at an incredible 1 million miles per hour, fast enough to escape the ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond our solar system. Researchers from Arizona State University's School of ...

Astronomers have witnessed a rare and violent cosmic crash between two planets, and they say the fallout could teach us about the formation of our world.

The Rubin Observatory issues rapid alerts for changing celestial objects, enabling global scientists to detect supernovae, asteroids, and variable stars within minutes of observation.

Studying the 2022 collision's effects can help scientists protect the Earth from celestial objects that might head toward us ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...

An 8th-grade astrophotographer from Apple Valley captured a stunning image of the Bubble Nebula, 7,000 light-years away.

The Vera C. Rubin Observatory sent scientists nearly 1 million astronomy alerts in one night, showing off changes in the sky. Eventually, the telescope is expected to reach 7 million alerts per night.

Scientists gathered in a conference earlier this year in an effort to solve the issue of satellite streaks ruining a powerful new Earth-based observatory's data.