Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The current iteration of the galactic map is caught up with the sequels, featuring the Jedi planet Ahch-To and Sith planet ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Astronomers have spotted another never-before-seen "nova" blaze to life in the night sky. This may be the first time that ...

The James Webb Space Telescope (JWST), launched in 2021, is currently the most powerful space observatory ever built.

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

The team used the Multi-Unit Spectroscopic Explorer (MUSE) on the European Southern Observatory’s Very Large Telescope in ...