A recent observation by the Hubble Space Telescope has left astronomers puzzled. A luminous fast blue optical transient (LFBOT), designated as AT2023fhn and nicknamed "the Finch," was detected in the space between two galaxies over 3 billion light-years away.
Sean Carroll is a physicist at Caltech. His research includes theoretical physics and astrophysics, especially cosmology, field theory, and gravitation.
He has published several research papers...
For the first time, astronomers have captured direct images of the cosmic web, the universe's largest known structure, which is a network of filaments connecting galaxies across vast distances.
The supermassive black hole M87*, which gained worldwide attention in 2019 as the first black hole ever to be imaged, has been confirmed to be spinning.
Scientists have recently shed light on the timeline of the Sun's transformation into a red giant, a phase that could potentially engulf Earth in its fiery embrace.