You and I can’t live on Mars, and at the moment nobody else can either.
Read more...Are there intergalactic stars, or stars outside of galaxies? The answer is yes, and they
Read more...The two biggies: Dark matter and dark energy. We have proof that something weird is
Read more...This is an interesting question, but before we can explore the answer we must ask
Read more...We don’t know if life developed anywhere else, but since there’s more than one intelligent
Read more...Our galaxy is 150–200 thousand light years across. Andromeda is 2.5 million light years away.
Read more...Not very far, I’m afraid, and within that little radio sphere there just aren’t many
Read more...You may be wondering “Are we alone? Are there humans out there besides us?” You
Read more...The Parker Solar Probe is orbiting the sun. As it whips around in its highly
Read more...For the most part, we’re not “reaching out” to aliens with the notable exception of
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