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

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

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

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

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy ...

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

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

There was an opportunity Thursday night to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in ...

As Bajaj puts it: "These James Webb Space Telescope data sets are so beautiful." ...

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 ...