A new analysis of three skull fragments unearthed at the Gran Dolina cave site in Spain indicates that Homo antecessor had bone thickness closer to that of Neanderthals and modern people than to more archaic hominins.

The post Homo antecessor Had Surprisingly Modern Skull, New Fossils Suggest appeared first on Sci.News: Breaking Science News.

New infrared observations of the Eskimo Nebula, a bipolar double-shell planetary nebula in the constellation of Gemini, reveal clumps of dust, ionized gas and expanding shells surrounding a central star.

The post Webb Captures Stunning Infrared View of Eskimo Nebula appeared first on Sci.News: Breaking Science News.

Dinosaurs evolved into some of the largest animals ever to walk the Earth, but a new mathematical model suggests that early mammals may have crowded them out of the ecological niches reserved for the smallest creatures.

The post Why Were There No Tiny Non-Avian Dinosaurs? Mammals May Have Been to Blame appeared first on Sci.News: Breaking Science News.

A stunning new image from the NASA/ESA/CSA James Webb Space Telescope reveals a comet-shaped cloud in the Carina Nebula hiding a cluster of about 70 young stars, including a rare giant of O-type nearly 19 times as massive as the Sun.

The post Webb Finds Stellar ‘Treasure Chest’ in Carina Nebula appeared first on Sci.News: Breaking Science News.

Planetary researchers analyzing images from NASA’s New Horizons spacecraft have found evidence that liquid nitrogen may still be seeping up from beneath the dwarf planet’s giant glacier, Sputnik Planitia, marking the first suggested case of recently flowing liquid on Pluto’s surface.

The post Liquid Nitrogen May Have Flowed on Pluto’s Surface in Recent Past appeared first on Sci.News: Breaking Science News.