Built in Potsdam, Germany, for astronomer Erwin Finlay Freundlich to test the theory of relativity, the observatory’s ...

For years, a third giant planet remained concealed within the bright dust surrounding Beta Pictoris, one of the most closely ...

Ten theories explore how some "evidence of aliens" could explain the universe's eerie silence and strange sightings. The post ...

Stargazing takes patience and stillness that can be difficult in a world of on-demand entertainment.

NASA’s Roman Space Telescope could use stars torn apart by black holes to reveal how the universe’s earliest cosmic giants ...

Astronomers have discovered a remarkably tiny group of six young galaxies just 1.2 billion years after the Big Bang. This may ...

A new analysis suggests the Sun holds far more silver than earlier estimates indicated. More advanced models of the solar ...

The newly found object, estimated to be roughly as massive as Jupiter, orbits a brown dwarf—a "failed star"—which in turn ...