Astronomers are making significant strides in detecting an ancient signal from one of the universe’s most unexplored periods.
If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...
Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...
A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.
Humanity may be one step closer to finally answering the question of whether we're alone in the cosmos with a definitive "no." A team of astronomers said it has found signs of what could be ...