Astronomers have identified several different types of stars in the universe, as diverse as small brown dwarfs and red supergiants. Stars in the prime of their lives, known as main sequence stars ...

The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

Exploring the Different Types of Stars in the Universe. Posted: January 28, 2025 | Last updated: March 9, 2025. What makes a star red, blue, or white?

A team of scientists has classified the types of planetary systems that make up our universe. Observations using the Kepler telescope led to the discoveries.

Type Ia supernovae have revealed much about the nature of our universe — including the fact that not only is it expanding, but it is doing so faster now than in the past.

Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to peer into the early universe and uncover the building blocks of galaxies during their formative years. The CRISTAL ...

The nature of dark matter is largely unknown, but it is thought to have mass, which influences particle interactions in the universe through gravity. Dark matter may not interact much with visible ...

The discovery of a metal-rich star packed with both light and heavy elements hints at exotic stellar explosions and the role of ancient dwarf galaxies in seeding the cosmos with uranium and thorium.

A universe with nontrivial topology might be a bit like Pac-Man. In the classic arcade game, moving all the way to the right edge of the screen puts the character back at the left side.