Dark matter, an unseen yet influential component of the cosmos, continues to challenge physicists nearly a century after its effects were first noticed. Its gravitational influence, vital for ...

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had supposed ...

Physicists call the dark energy that drives the universe “the cosmological constant.” Now the largest map of the cosmos to date hints that this mysterious energy has been changing over ...

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

Marine scientists who made headlines last year with their discovery that deep sea nodules could be producing “dark oxygen” are embarking on a three-year research project to explain their ...

Scientists have proposed a radical theory to explain the expansion of the universe which could solve the mystery of dark energy.

Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark ...

(CNN) — New hints from one of the most extensive surveys of the cosmos to date suggest that mysterious dark energy may be evolving in ways that could shift how astronomers understand the ...

To dark matter and dark energy, add dark galaxies — collections of stars so sparse and faint that they are all but invisible.

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