Did You Know?

Some asteroids are actually extinct comets.

Many objects classified as asteroids are actually the remnants of comets that have lost all their volatile materials. These 'dead comets' continue to orbit the Sun but no longer display the characteristic tails of active comets.

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There’s a galaxy that appears to be missing its dark matter.

The galaxy NGC 1052-DF4 appears to contain virtually no dark matter, challenging our understanding of galaxy formation. This...

Read more: There’s a galaxy that appears to be missing its dark matter.

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There’s a star that’s trapped inside a giant crystal.

At the center of the Cat's Eye Nebula, astronomers have discovered a dying star surrounded by a crystalline...

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Some black holes sing in B-flat.

The supermassive black hole at the center of the Perseus galaxy cluster emits pressure waves that translate to...

Read more: Some black holes sing in B-flat.