The Winter 2020 issue (vol. 49 no. 1) of Mercury magazine is online for ASP members, featuring a goodbye to Spitzer, kicking off a busy decade for Mars, and paying tribute to Katherine Johnson.
Astronomers have discovered that our galaxy’s supermassive black hole is a track and field superstar.
The tale of two searches for dark matter and how we might really be closing in on the source of the mystery.
NASA's Chandra X-ray Observatory reveals the relativistic engine driving the quadruple apparition.
A search in X-rays suggests life might be possible around two of our three neighboring stars.
When humans age, environmental factors can play a huge role in our health—the same is apparently true for galaxies.
In cosmology, Buddha strikes again.
Feedback from active galactic nuclei may influence a galaxy’s ability to form stars.
Despite decades of searching for dark matter, we’ve come up empty handed. So, what is the alternative?
Galaxies live inside dark matter halo “houses”—but there seems to be a lot of empty homes out there.
That’s some cosmic trick, but is it done with mirrors?
Some galaxies are extremely massive, compact and filled with dust—how they became so extreme remains a mystery.
Lunar rocks retain a million-year record of solar energetic particles and galactic cosmic rays.
The collaboration’s first image has given us a glimpse of what the future of event horizon studies may look like.
What’s careening through the galaxy at 2.5 million miles per hour and screaming with gamma-rays?
There are some strange similarities between ultra-faint dwarf galaxies and globular clusters—with dark matter anchoring both.
How supermassive black holes and galaxies evolve together is one of the biggest questions hanging over modern astrophysics.
After decades of wondering, the Event Horizon Telescope has revealed what a black hole really looks like. [Feature excerpt]