A faint dwarf galaxy drifting 45 million light-years from Earth may have joined one of astronomy’s strangest clubs. It ...

The IceCube Neutrino Observatory, a cubic-kilometer-sized neutrino telescope at the South Pole, has observed a new kind of astrophysical messenger. In a new study recently accepted for publication as ...

TOI-5882 looks, at first glance, like an ordinary sun-like star. However, its outer layers hold more lithium than astronomers ...

Astronomical observations provide new insights into how galaxies formed and grew during the universe's first billion years.

Galaxies are dynamic systems whose observable properties—from star formation and interstellar media to large‐scale jets and radio lobes—are intimately linked to the activity of their central ...

About a trillion tiny particles called neutrinos pass through you every second. Created during the Big Bang, these “relic” neutrinos exist throughout the entire universe, but they can’t harm you. In ...

The 2023-2024 search for a new Assistant Professor in the Department of Astrophysical and Planetary Sciences is open to any area of astrophysics. Applicants to this faculty search should submit a ...

Miguel Mostafa describes the Astrophysical Multimessenger Observatory Network (AMON), an online network that enables real-time coincidence searches using data from the leading multimessenger ...

The analysis of astrophysical plasmas is vital in the quest to learn about some of the Universe's most powerful and mysterious objects and events such as stellar coronae and winds, cataclysmic ...