Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

But step outside our solar system, and you’ll find stars so massive ... Here’s a look at five of the biggest stars ever discovered, ranked by their size, and what makes each one so fascinating.

The find shines light on how galaxies begin to turn gas and dust "into stars and planets," said astrophysicist Blakesley ...

The Daniel K. Inouye Solar Telescope, the world's largest solar telescope, can see the sun in unprecedented detail. Here is ...

“The instrument is, so to speak, the heart of the solar telescope, which is now finally beating at its final destination,” ...

It's named Eos, after the Greek goddess of the dawn, and contains approximately 3,400 solar masses worth of gas.

A groundbreaking discovery has been made by astronomers, who have uncovered a massive molecular cloud located just 300 ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...

The solar system is a collection of celestial objects bound to the sun by gravity. At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else ...

Despite being 3,400 times the mass of the sun and just 300 light-years away, the hydrogen cloud had gone unnoticed until now.

An international team of scientists led by a Rutgers University–New Brunswick astrophysicist has discovered a potentially ...

The world's largest solar telescope ... and built at the Institute for Solar Physics (KIS) in Freiburg (Germany). The Max Planck Institute for Solar System Research (MPS) in Göttingen (Germany ...