A Star was Blocking a Galaxy, but Now it’s Moved Enough That Astronomers can Finally Examine What it Was Hiding
One of the biggest puzzles in astronomy, and one of the hardest ones to solve, concerns the formation and evolution…
Will We Ever Go Back to Explore the Ice Giants? Yes, If We Keep the Missions Simple and Affordable
It's been over 35 years since a spacecraft visited Uranus and Neptune. That was Voyager 2, and it only did…
A new Hubble Image Reveals a Shredded Star in a Nearby Galaxy
The Hubble Space Telescope, to which we owe our current estimates for the age of the universe and the first…
Evidence of a Megatsunami on Mars
Things were pretty wet back on Mars about three and a half billion years ago. You wouldn't know that by…
Not Just Stars. Gaia Mapped a Diverse and Shifting Universe of Variable Objects
We've reported on Gaia's incredible data-collection abilities in the past. Recently, it released DR3, its latest data set, with over…
Mars at Opposition 2022: The Full Moon Occults Mars Wednesday Night
A rare event transpires Wednesday night, as the Full Moon occults Mars near opposition.
Construction Begins on the Square Kilometer Array
At twin ground-breaking ceremonies today in South Africa and Australia, project leaders formally marked the start of construction on what…
SOFIA Fails to Find Phosphine in the Atmosphere of Venus, But the Debate Continues
The on-again, off-again detection of phosphine in the atmosphere of Venus appears to be off-again – for now. The latest…
Hubble Spots Two Open Clusters. One is Also an Emission Nebula
Open star clusters are groups of stars in loosely-bound gravitational associations. The stars are further apart than the stars in…
Ground Telescopes can Adapt to Satellite Megaconstellations if They get Accurate Telemetry Data
The growing population of communication satellites such as Starlink and OneWeb is posing challenges for Earth-based astronomy facilities. Since such…