Paris: Dark energy makes up roughly 70 percent of the universe, yet we know nothing about it. Around 25 percent of the universe is the equally mysterious dark matter, leaving just five percent for ...

NEW YORK (AP) — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed ...

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A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Dark energy makes up roughly 70 percent of the universe, yet we know nothing about it. Around 25 percent of the universe is the equally mysterious dark matter, leaving just five percent for everything ...

The truth is out there: Scientists hope to crack the case of dark energy in the next few years - Copyright AFP/File NICHOLAS KAMM, Handout The truth is out there ...