Finding aliens could trigger global conflict with dire consequences: study
Researchers looked at the possibility of one nation monopolizing any alien interaction, and the likelihood of international conflict.
Astronomers May Have Found the Universe's Missing Matter
Fast radio bursts were used as "cosmic weigh stations" to find the sparsely distributed matter.
NASA's Voyager 2 Is Suffering Technical Problems in Interstellar Space
Fixing problems on Voyager is a tricky business given that it is currently located around 11.5 billion miles from Earth.
NASA Voyager 2 Data Reveals There is a 'Distinct Boundary' to Solar System
NASA spacecraft recorded a jump in plasma density like Voyager 1 did on entering the interstellar medium in 2012.
Hubble Telescope Snaps Best Image Yet of First Interstellar Comet
The comet is only the second confirmed interstellar object to have passed through the solar system.
Millions of Black Holes Are Lurking in the Milky Way Eating Galaxy Matter
Japanese researchers propose new plan to hunt down our galaxy's "isolated black holes."
First Interstellar Visitor 'Oumuamua Probably Isn't an Alien Spacecraft
Study says odd characteristics of the cigar-shaped space rock can be explained through a host of natural phenomena.
NASA's Voyager 2 Has Entered Interstellar Space
Voyager 2 recorded an increase in cosmic rays from outside the solar system since August.
Milky Way Is Full of Toxic 'Space Grease'
Scientists wanted to address the question of how much organic material—substances that contain carbon and are essential for life—exists in interstellar space.
Interstellar Dust Older Than the Sun Showers Earth
"We [may] have at our fingertips the starting materials of planet formation from 4.6 billion years ago."
Interstellar Mission Would Need Fastest Ever Spacecraft
"It will truly be a historical mission to take our first step into interstellar space."
Scientists Shed New Light on 'Oumuamua's Origins
'Oumuamua is currently hurtling through the solar system at a speed of 16 miles per second.
First Interstellar Species? Tardigrades Get the Nod
How do you design a spacesuit for a microscopic critter with eight legs?