Shannon Hall
Fingerprint From a First-Generation Star?
The young universe was composed of a pristine mix of hydrogen, helium, and a tiny trace of lithium. But after…
A Cosmic Collision: Our Best View Yet of Two Distant Galaxies Merging
An international team of astronomers has obtained the best view yet of two galaxies colliding when the universe was only…
Extreme Weather is Linked to Global Warming, a New Study Suggests
Extreme weather is becoming much more common. Heat waves and heavy rains are escalating, food crops are being damaged, human…
ESO’s Latest Dramatic Landscape
The universe is stunning. Images from even the most modest telescopes can unveil its brilliant beauty. But couple that with…
NASA’S NuSTAR Catches a Black Hole Bending Light, Space, and Time
NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has captured a spectacular event: a supermassive black hole’s gravity tugging on nearby X-ray…
Can Radio Waves Lead to Exomoons?
I firmly believe that our next greatest discovery will be detecting an exomoon in orbit around a distant exoplanet. Although…
How did Supermassive Black Holes Grow so Massive so Quickly?
Black holes one billion times the Sun’s mass or more lie at the heart of many galaxies, driving their evolution.…
Help a Universe Today Writer Share Stories About Our Search For Earth-like Planets
Since 1995, astronomers have detected thousands of worlds orbiting nearby stars, sparking a race to find the one that most…
Hypervelocity Neutron Stars Crashing Into White Dwarfs — A Scenario for the Loneliest Supernovae?
It’s hard to comprehend the vast emptiness of space. Especially when we detect odd signatures, such as luminous explosions that…
Hubble Archive Reveals Possible Culprit for Enigmatic Supernova
More than two decades of Hubble observations have produced more than 25 terabytes of data. Thanks to the wealth of…