Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before seen.

Scientists predict one of the major surveys by NASA's upcoming Nancy Grace Roman Space Telescope may reveal around 100,000 ...

These are rare occurrences—scientists estimate that the giant black hole at the center of our Milky Way galaxy gobbles a star ...

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

A planet that is snuggled up closely with its host star may be igniting colossal flares that strip it of its own mass.

The Alpha Capricornids and Southern Delta Aquariids meteor showers, which will both peak July 30, also coincide with a third ...

This simulation showcases the dynamic universe as NASA’s Nancy Grace Roman Space Telescope could see it over the course of its five-year primary mission. The gif sparkles with synthetic supernovae ...

When looking up at the sky, you might think galaxies have always looked the way they do today. But a new study from Princeton ...

Read The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

In a groundbreaking study, a new discovery about the exoplanet HIP 67522b has provided scientists with an unprecedented ...