The solar system appears to have been traveling through the molecular remnants of ancient supernovae for the past 33,000 years, at least according to the presence of a rare type of iron that shouldn’t even exist on Earth. Born in the fiery collapse of massive stars as they explode into supernovae,read more
A new study comparing the geological features of both Earth and Mars has discovered that Mars’s past climate may have been much cooler than scientists have traditionally assumed, painting a picture of an ancient Martian landscape covered in glaciers, rather than the flowing rivers of liquid water thought to carveread more
Astronomers have discovered what appears to be a new, mysterious class of astronomical object in the depths of space, in the form of distant ring-shaped objects that emit light only in the radio spectrum. The phenomenon’s discoverers have dubbed these strange objects Odd Radio Circles, or “ORCs” for short. Theirread more
Comets ATLAS and SWAN might have turned out to be duds for sky watchers, but a new celestial spectacle, Comet F3 NEOWISE, is already exceeding the expectations set by its two predecessors. Already-visible to the naked eye, Comet F3 NEOWISE (or C/2020 F3 (NEOWISE)) was discovered on March 27 by (andread more