We could be overlooking an entire population of asteroids that pose a threat to Earth on the very simple basis that they're extremely hard to see. In the space shared by the orbit of Venus, hundreds ...

On Sept. 30, 2016, the European Space Agency's Rosetta spacecraft purposely crashed into a comet. Rosetta launched in 2004 and spent 10 years chasing down Comet 67P, a rubber-duck-shaped space rock ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, even though the system is young enough that it should still have a ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

Webb's Mid-Infrared Instrument (MIRI), which shows thermal light, collected observations of the planet that allowed the team to discover signs of molecules within an accumulation of matter out of ...

The 3I/ATLAS interstellar object, detected by NASA, is remarkably larger and more massive than earlier estimates, making it an exceptionally rare visi ...

A recent study shows the asteroid belt is slowly losing material due to gravitational forces and collisions, with implications for Earth's past and future impact risks.