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 ...

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

When Avengers: Doomsday lands in theaters, my hope isn’t just that it delivers another massive MCU spectacle, but that it ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, ...

This article explores how our understanding of the universe has evolved—from the scale of everyday experience down to the ...

Scientists at Rutgers and collaborators have traced the invisible dark matter scaffolding of the universe using over 100,000 ...

Using the world’s largest digital camera, Rubin will capture a full view of the southern sky every three days.

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and more.

There is a new Physics model that challenges the standard Big Bang theory. By definition, “ The Big Bang ” is how astronomers explain the way the universe began. “The Big Bang” is the idea that the ...