A faint gravitational-wave signal spreading across the universe may contain clues about mysterious stars that existed more than 13 billion years ago, according to new research. Scientists from Colgate University have investigated whether some of the earliest supermassive black holes could be responsible for much of the extremely low-frequency gravitational-wave background detected today. Their findings […]

The post Mysterious Gravitational Waves May Be Echoes of Ancient Dark Stars appeared first on Knowridge Science Report.

Some of the earliest massive galaxies in the universe may be hiding enormous numbers of small, faint stars, suggesting they contain much more mass than astronomers previously believed. Using the James Webb Space Telescope (JWST), an international team led by researchers at Leiden University studied nine massive galaxies from the early universe. They discovered that […]

The post Hidden Stars Reveal Early Galaxies Were Far Bigger Than We Thought appeared first on Knowridge Science Report.

Un froid polaire, des vents dignes de ceux d’un ouragan, un isolement total en hiver… Bienvenue au Groenland ! Comment vit-on sur l'île la plus extrême du monde au niveau climatique ? Découvrez le quatrième épisode de ma série de cinq reportages inédits Un été au Groenland.

In a brilliant article in the Dispatch, Jesse Singal argues that the whole sorry saga of Jason Arday points to the need for more press freedom, not less.

The post The Sorry Saga of Jason Arday Points to the Need For More Press Freedom in Britain, Not Less appeared first on The Daily Sceptic.

Hier, à 400 kilomètres au-dessus de la Terre, Sophie Adenot avait rendez-vous avec l’histoire. Et l’astronaute française a répondu présente. Même si sa sortie extravéhiculaire ne s’est pas tout à fait déroulée comme prévu.