A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...
How should we represent humankind to aliens? With Pioneer 10 and 11, Nasa fell short. Next time, we must do better ...
The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.
I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...
A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...