Astronomy
Red Giants Offer a New Way to Measure Distance in the Universe
For nearly three decades now, it's been clear that the expansion of the Universe is speeding up. Some unknown quantity,…
One in Twelve Stars Ate a Planet
That stars can eat planets is axiomatic. If a small enough planet gets too close to a large enough star,…
NASA Experiments Planned for the April 8th Total Solar Eclipse
Totality and the April 8th total solar eclipse offers a rare chance to study the Sun.
One Impact on Mars Produced More than Two Billion Secondary Craters
There are plenty of craters on Mars, especially when compared to Earth. That is primarily thanks to the lack of…
Webb Finds Hints of a Third Planet at PDS 70
The exoplanet census now stands at 5,599 confirmed discoveries in 4,163 star systems, with another 10,157 candidates awaiting confirmation. So…
Finally, an Explanation for the “String of Pearls” in Supernova 1987A
Not long after the explosion of Supernova 1987a, astronomers were abuzz with predictions about how it might look in a…
Little Red Dots in Webb Photos Turned Out to Be Quasars
In its first year of operation, the James Webb Space Telescope (JWST) made some profound discoveries. These included providing the…
Webb Continues to Confirm That Universe is Behaving Strangely
Over a century ago, astronomers Edwin Hubble and Georges Lemaitre independently discovered that the Universe was expanding. Since then, scientists…
Webb Sees a Star-Forming Region Blowing Vast Bubbles
Star birth is a messy and chaotic event. Some of the process remains well hidden behind clouds of gas and…
Colliding Neutron Stars are the Ultimate Particle Accelerators
Gamma-ray telescopes observing neutron star collisions might be the key to identifying the composition of dark matter. One leading theory…