Voyager 1 is on a journey that will outlast civilizations, outlive the Sun’s familiar neighborhood, and eventually drift into ...

If 3I/ATLAS isn’t an alien probe, its discovery may be even more important. Scientists detected no radio signals from the ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...