Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our Butler night sky. As soon as it gets ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

One of the main objectives of the Hubble Space Telescope, launched in 1990, was to measure the size and age of the Universe, ...