Scientists are steadily ruling out habitable conditions on the seven planets of the star Trappist-1. On one of the worlds, a nitrogen gas-rich veil remains a possibility. By Robin George Andrews ...

Neutrino physics lies at the heart of modern astrophysics, offering unique insights into the mechanisms powering some of the Universe’s most energetic events. These nearly massless particles, only ...

A new theory published today in the Astrophysical Journal Letters by scientists from Harvard University suggests that the sun may once have had a binary companion of similar mass. If confirmed, the ...

Photo: Embry‑Riddle Astronomy student Sola Nova's paper has been accepted for publication in The Astrophysical Journal. Here, she is inside the Prescott ...