The European Space Agency has embarked on a new initiative under its Euclid project, which aims to study the impact of dark matter and energy on the visible Universe. Collaborating with the Galaxy ...

A new NASA space observatory is scheduled to launch into orbit this week on a lofty mission to map more than 450 million ...

The $488 million observatory is set to launch at the end of this month on a two-year mission to map the entire celestial sky.

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms. Perhaps one of the most surprising discoveries ...

Radio astronomers can study emissions from gas giant planets, blasts from the hearts of galaxies, or even precisely ticking ...