Our current cosmological model—known as lambda cold dark matter, or ΛCDM—relies on hypothesized dark energy to explain the accelerating expansion of the universe. However, one competing theory known ...

If it survives its close encounter with the sun next week, it could become the brightest comet of 2025.

James Woods has lost his Pacific Palisades home in the Southern California fires that continue to devastate parts of Los ...

There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

Looking at a distant galaxy means looking back in time.

The Cubic Kilometre Neutrino Telescope or KM3NeT is deployed under the Mediterranean Sea to detect high-energy neutrinos, ...

The 2025 skywatching guide includes a rare sunrise solar eclipse, an occultation of Mars and three supermoons. Here are the ...

Galaxies in the early universe tend to be clumpy, but the new JWST discovery of a "grand design" spiral galaxy just 1.5 ...

No election, no Eras tour, no eclipse. After a jam-packed 2024, what will we be talking about come 2025? It looks like there will be plenty.

How about that eclipse in 2024? Certainly, the Great North American Eclipse of April 8th 2024 was one for the ages, instilling the eclipse-chasing bug in many a new skywatching fan.

A black moon is an unusual astronomical event which only happens once every 29 months - and it means good news for stargazers ...

It is the brightest point in a constellation first described 2,000 years ago and was the first distant star captured in a ...