“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

A new study using Auriga simulations explains the Milky Way’s chemical bimodality. Stars split into magnesium-rich and iron-rich sequences, revealing multiple evolutionary paths shaping our galaxy.

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

For nearly a century, dark matter has existed as a powerful idea rather than a directly observed substance, inferred from the ...

Astronomers using the Subaru Telescope discover an exoplanet and a brown dwarf, offering new insights and a key target for NASA’s upcoming Roman Telescope ...

Astronomers have captured the most detailed close-up images ever taken of stars exploding, known as novae. These pictures ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025 that may ...

Astronomers have long believed that the region around the Milky Way’s central black hole, Sagittarius A*, is one of the most ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.