When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

At the Harvard College Observatory in years around 1900, women were hired to make measurements of astronomical data and do ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

The first total lunar eclipse of 2025 will occur on March 14, turning the Moon into a striking red Blood Moon, but ...

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...

Its employees regularly collect weather data that help scientists monitor daily forecasts, track hurricanes, support air ...

The tours offer the chance for residents to learn about the scientific, cultural, and environmental importance of the mauna, as well as career pathways in engineering and astronomy.

BL Lacertae blazar shifts between classifications faster than expected. It shows record X-ray activity and challenges current ...