Dark Energy

Scientists from Goethe University, Frankfurt, studying alternatives to black holes have suggested a mathematically viable formation mechanism for…

An expanding mini-universe could counterbalance the collapsing matter of a star, thereby creating a stable gravastar. Credit: Daniel…

A fresh analysis of Type Ia supernovae overturns a controversial 2025 claim that cosmic expansion is slowing. Type…

By Will Dunham WASHINGTON, June 16 (Reuters) – Taking a fresh look at data involving a specific type…

Astronomers have reaffirmed one of modern science’s most important discoveries: the universe is still expanding at an accelerating…

A black hole is supposed to be the last word in stellar collapse: matter falls inward, spacetime caves…

A new analysis argues that the standard cosmological model may be fundamentally unstable, raising questions about whether dark…

WFIRST, shown here in an artist’s rendering, will carry a Wide Field Instrument to provide astronomers with Hubble-quality…

Here’s what you’ll learn when you read this story: The universe is expanding faster every second, and physicists…

Mathematicians from University College London and the University of California, Davis, have published a mathematical proof that the…

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Nature abhors a vacuum, so the saying goes, but nobody told the universe. Space is filled with cosmic…

Black Holes Aren’t Real? Astronomers Propose Elusive Formation Mechanism for “Gravastar” Alternative That is “Easier to Accept”