New X-ray observations reveal Betelgeuse’s mysterious companion is not a collapsed stellar remnant but a young, Sun-like ...

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of cosmic object in the Universe.

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

The most energetic events in the universe are gamma ray bursts, beams of radiation so intense they could wipe out all life on ...

This festive season, as we adorn ourselves with gold and silver, few realise that these precious metals were born in the fiery deaths of ancient stars - cosmic remnants scattered across the universe, ...

On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

A network of optical cavities could be used to detect gravitational waves (GWs) in an unexplored range of frequencies, according to researchers in the UK. Using technology already within reach, the ...

Scientists have completed the broadest search to date for extraterrestrial civilizations by scanning roughly 10.3 million stars using a radio telescope in Australia, but have found nothing - not yet, ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...