'Oumuamua
Secret Government Info Confirms First Known Interstellar Object on Earth, Scientists Say
A small meteor that hit Earth in 2014 was from another star system, and may have left interstellar debris on the seafloor.
A Strange Interstellar Comet Discovery Hints at a Solar System Like Our Own
The "unexpected finding" of nickel gas around interstellar comet 21/Borisov lines up with "astonishing" new observations of local comets, scientists say.
Watch a Harvard Professor Explain Why He Thinks Aliens Visited Us Already
Most scientists think the first interstellar visitor to our solar system has a natural explanation. Harvard professor Avi Loeb makes the case for an alien origin.
Harvard’s Top Astronomer Believes Aliens Tried to Contact Us in 2017
In his new book, Dr. Avi Loeb argues ‘Oumuamua, which passed by Earth in 2017, wasn’t a comet but rather alien technology.
Scientists Determine How an Outer Space Object Got Shaped Like a Blunt
ʻOumuamua, the first interstellar object discovered in our solar system, was whittled into its elongated shape by stellar tides, scientists say.
NASA Captured Stunning New Images of the Interstellar Comet in Our Solar System
Unlike ʻOumuamua, the first interstellar object ever detected, comet 2I/Borisov is radiant and gassy.
Sorry, That Blunt-Shaped Interstellar Object Was Not an Alien Spaceship
While an alien explanation for 'Omuamua can't be ruled out, a new study concludes it is more likely natural in origin.