General Relativity

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.…

3 months ago

An Epic Collaboration Between Hubble and JWST

Hubble and Webb have come together to create one of the most detailed and revealing images of an iconic galaxy…

4 months ago

Dark Matter Might Interact in a Totally Unexpected Way With the Universe

A new theory of Dark Matter suggests that it interact with normal matter in a non-localized way, potentially revolutionizing our…

8 months ago

Two New Space Telescopes Will Bring Dark Energy Into Focus

The ESA's Euclid and NASA's Nancy Grace Roman space telescope will work together to resolve the mystery of cosmic expansion!

8 months ago

Astronomers See the Same Supernova Four Times Thanks to a Gravitational Lens

Thanks to a well-placed gravitational lens, a team of astronomers was able to observe a supernova four times!

8 months ago

Pulsars Could Help Map the Black Hole at the Center of the Milky Way

The BlackHoleCam project, part of the Event Horizon Telescope consortium, will use the powerful EHT array to search for pulsars…

9 months ago

When Black Holes Merge, They'll Ring Like a Bell

How a merged black hole rings as it settles into a stable form holds clues to a better understanding of…

9 months ago

Is This a Black Hole or a New Type of Star?

A new model argues that strange, star-like objects might appear similar to black holes.

10 months ago

Are Black Holes the Source of Dark Energy?

In a series of papers, an international team claims they've found the first observational evidence that supermassive black holes are…

1 year ago

Shortly Before They Collided, two Black Holes Tangled Spacetime up Into Knots

An international team led from Cardiff University has confirmed that black hole binaries experience precession.

1 year ago