Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant galaxy, and it's all ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

The most significant molecules found are ethylene glycol and glyconitrize—both of which are ingredients for compounds in DNA ...

Complex organic molecules found floating around a distant protostar could mean that space is far richer in life's precursors ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

After finally confirming the tiny companion star orbiting Betelgeuse, Howell and the team gave it a name with roots as rich ...

A new study led by researchers from the Yunnan Observatories of the Chinese Academy of Sciences has developed a neural ...

Experts confirmed the discovery of a rare interstellar visitor—only the third ever detected—hurtling through our Solar System ...

Stars uncontaminated by heavier elements are thought to have formed very early in the universe, but a galaxy much later in ...

Hubble captured this stellar explosion in NGC 3285B, 137 million light-years away, offering new insights into the expanding ...