If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

From our tiny blue planet to the edge of the observable universe, this video takes you on a breathtaking journey of scale. We ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

The LSST camera at the Vera C. Rubin Observatory has released its jaw-dropping first images, each capturing 45 times the area of the full moon in one shot. Over the next ten years, this cosmic giant ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

Deep in the first moments of the Big Bang, the entire cosmos shook and rumbled. Those quakes still reverberate to the present day. It will take the most sensitive instruments ever imagined to reveal ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after ...

PRATUSH is a space payload concept that envisions orbiting the Moon’s far side, the quietest radio environment in the inner Solar System, free from Earth’s radio noise and ionospheric distortions.