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Digging the stars: Galactic archaeology is a key to the universe's past

Unearthing cosmic history, one star at a time in the field of galactic archaeology.

White Dwarf Stars: The Tiny Giants Revealing the Universe's Secrets

From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning mysteries.

What is the closest black hole to Earth?

The nearest black hole isn't actually that far from us.

The largest stars in the Universe: a story of immense proportions

Here's some of the largest, plumpest stars out there.

Where is the coldest place in the universe?

The coldest place in the Universe is the Boomerang Nebula, where temperature reaches only 1 degree Kelvin. However, humans have achieved much colder temperatures in the lab.

What's the brightest star from Earth, and how do we measure it?

Some stars are brighter than others, but why? Size and distance matter.

What are Dwarf Galaxies?

Although they can contain billions of stars, dwarf galaxies are nevertheless just a fraction of the size of Milky Way.

Can planets orbit multiple star systems like in Star Wars?

Planets in binary, tetranary, octonary systems. Are they possible?

Why do stars twinkle, or do they twinkle at all? For astronomers, this is important

Twinkle, twinkle, little star.

A different way of looking at the sky -- Brazilian ethnoastronomy and its unique constellations

We know constellations from Greek mythology, but other cultures had their own with their own myths.

From candles to ladders: how astronomers measure very large distances in the universe

How do we know the universe is expanding? Your high school trigonometry is involved in the process.

There are over 700 quintillion planets in the universe -- but there's no place like home

The number of planets in the universe is extremely mind-boggling.