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'Mathematically perfect' star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?
Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...
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Our Sun may once have had a twin. What happened to this stellar sibling?
(Credit: Serenity Strull/ Getty Images) Many stars in our galaxy exist in pairs, but our Sun is a notable exception. Now scientists are finding clues that it may once have had a companion of its own.
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What if we replace the Sun with Extreme Space Objects?
What would happen if we replaced the Sun with extreme space objects? From black holes to neutron stars, this video explores the catastrophic and fascinating outcomes of these cosmic swaps.
Stars Are Everywhere, So Why Is the Sky Still Dark?
Why is space so dark despite all of the stars in the universe? The question of why space is dark, even though it is filled ...