A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

Astronomers study planetary transits and atmospheric signals using interstellar object 3I/ATLAS, drawing on transit spectroscopy principles and recent observational constraints discussed by Avi Loeb.

“The James Webb Telescope: Are We Alone?” on The Whole Story With Anderson Cooper offers an inside look at the most powerful telescope ever built. The show premieres Sunday, June 16, at 8 p.m. ET/PT ...

In a remarkable cosmic event observed on November 2, 2025, scientists had the rare opportunity to witness a dead star annihilating a planet in real time. This observation builds upon previous ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...

can observe a rare solar flare. extraterrestrial intelligence in May 1999. The team will observe a further 1 1/2 hours today and reschedule the remaining 15 hours of observing time on March 24. The ...

The rings that adorn the four giant planets are of prime importance as accessible natural laboratories for disk processes, as clues to the origin and evolution of planetary systems, and as shapers as ...