Cosmology

Formation-Flying Spacecraft Could Probe the Solar System for New Physics

It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques,…

2 months ago

Measuring Distances in the Universe With Fast Radio Bursts

Astronomers still aren't entirely sure what causes fast radio bursts, which can briefly release a galaxy's worth of energy. However,…

4 months ago

Gravitational Waves Could Show us the First Minute of the Universe

Astronomers routinely explore the universe using different wavelengths of the electromagnetic spectrum from the familiar visible light to radio waves…

5 months ago

If Our Part of the Universe is Less Dense, Would That Explain the Hubble Tension?

In the 1920s, Edwin Hubble and Georges Lemaitre made a startling discovery that forever changed our perception of the Universe.…

6 months ago

If We Could Find Them, Primordial Black Holes Would Explain a Lot About the Universe

As far as we know, black holes can only be formed by the death of massive stars, but a persistent…

7 months ago

Everything in the Universe Fits in This One Graph. Even the Impossible Stuff

The Universe has physical constants, such as the force of gravity that define everything. If these constants were any different,…

7 months ago

A Fast Radio Burst Took 8 Billion Years to Reach Us

A newly discovered fast radio burst (FRB) absolutely smashed the record for the most distant ever discovered. The burst was…

7 months ago

The Big Bang: What is it? Why study it? What happened before? How will it all end?

Approximately 13.8 billion years ago, the greatest event in all of existence occurred that literally created existence itself. This event…

8 months ago

A New Telescope Could Detect Decaying Dark Matter in the Early Universe

A gap in astronomical knowledge is Cosmic Dawn, a time when the first stars in the Universe formed, ending the…

9 months ago

New Horizons is So Far Away, it Can Measure the True Darkness of the Universe

NASA's New Horizons Spacecraft has completed its flybys of Pluto and Arrakoth and is now about 8 billion kilometers from…

10 months ago