Gravitational Lensing

Astronomers Measure the Signal of Dark Matter From 12 Billion Years ago

The most distant measure of dark matter suggests the universe might have behaved differently in the past.

2 months ago

A Mission to Reach the Solar Gravitational Lens in 30 Years

NASA's Institute for Advanced Concepts is famous for supporting outlandish ideas in the astronomy and space exploration fields. Since being…

2 months ago

Using the Sun as a Gravitational Lens Would Let Us See Exoplanets With Incredible Resolution

Have you ever seen wispy arcs and rings in astronomical images taken by the Hubble Space Telescope and other observatories?…

3 months ago

We can Probably Find Supernovae Enhanced by Gravitational Lensing, We Just Need to Look

Gravitational lensing provides an opportunity to see supernovae and other transients much farther than we normally can. A new research…

5 months ago

A New Record! Hubble Detects an Individual Star From a Time When the Universe Was Less Than a Billion Years Old

A star that sounds as if it came from "The Lord of the Rings" now marks one of the Hubble…

6 months ago

What is Einstein’s Theory of Relativity?

More than a century after he first proposed it, Einstein's Theory of Relativity is still foundational to our understanding of…

8 months ago

If Alien Probes are Already in the Solar System, Maybe we Could Detect Them Calling Home

According to a new study, alien probes may permeate the galaxy, and could be detected in the Solar System when…

10 months ago

Advanced Civilizations Could use Their Stars to Communicate (and as Telescopes)

A Long Distance Call E.T. managed to call home with a Speak and Spell, buzzsaw blade, and an umbrella. The…

12 months ago

What a Perfect Gravitational Lens

A stunning new photograph from the Hubble Space Telescope shows a nearly perfect Einstein Ring, an effect caused by gravitational…

1 year ago

Astronomers saw the Same Supernova Three Times Thanks to Gravitational Lensing. And in Twenty Years They Think They’ll see it one More Time

It is hard for humans to wrap their heads around the fact that there are galaxies so far away that…

1 year ago