main sequence
Betelgeuse is Almost 50% Brighter Than Normal. What’s Going On?
Whenever something happens with Betelgeuse, speculations about it exploding as a supernova proliferate. It would be cool if it did.…
Planet Found in the Habitable Zone of a White Dwarf
Most stars will end their lives as white dwarfs. White dwarfs are the remnant cores of once-luminous stars like our…
Giant Stars and the Ultimate Fate of the Sun
Astronomers have a new tool to help them understand giant stars. It's a detailed study of the precise temperatures and…
Rocky Planets Orbiting White Dwarf Stars Could be the Perfect Places to Search for Life
Some very powerful telescopes will see first light in the near future. One of them is the long-awaited James Webb…
Friendly Giants Have Cozy Habitable Zones Too
According to a recent study from the Carl Sagan Institute, aging red giant stars could still have habitable zones that…
Living with a Capricious Star: What Drives the Solar Cycle?
You can be thankful that we bask in the glow of a relatively placid star. Currently about halfway along its…
What is the Life Cycle of Stars?
Like all living beings, stars have a life cycle, which consists of birth, a lifespan characterized by growth and change,…
What Are The Different Types of Stars?
Stars come in many different sizes, colors, and types, and understanding where they fit in the grand scheme is important…