Astronomers Lined up Under an Asteroid’s Shadow to Measure its Size Precisely
Astronomers will go to great lengths for science. Recently, dozens of astronomers had the misfortune of traveling to one of…
During a Solar Flare, Dark Voids Move Down Towards the Sun. Now We Know Why
Solar flares are complex phenomena. They involve plasma, electromagnetic radiation across all wavelengths, activity in the Sun's atmosphere layers, and…
The Big Spaceflight Stories You Should be Watching in 2022
There are so many exciting spaceflight missions and milestones in store for 2022! Here are some of the biggest stories…
It Turns out, We Have a Very Well-Behaved Star
Should we thank our well-behaved Sun for our comfy home on Earth? Some stars behave poorly. They're unruly and emit…
Binary Black Holes can Unlock Another of Einstein’s Predictions
Gravitational waves from merging black holes can tell us more about a gravitational dance known as spin-orbit resonance.
Want to Know What James Webb Looks Like in Powerful Earth Telescopes? Prepare to be Underwhelmed
The Virtual Telescope Project recently provided images of the James Webb Space Telescope in the night sky.
Astronomers Discover a Mysterious Star That Flashes Every 20 Minutes. But What is it?
An ultra-long period object might be a magnetar, but it could also be a type of object we've never seen.
Rings Inside a Martian Crater Reveal its Ancient History
Is this a closeup look at a tree stump, or an orbital view of an impact crater? At first glance,…
Is the Underground Lake on Mars Just Volcanic Rock?
Is Mars home to an underwater lake? Different researchers are reaching different conclusions. Some say remote sensing from the Mars…
What is Einstein’s Theory of Relativity?
More than a century after he first proposed it, Einstein's Theory of Relativity is still foundational to our understanding of…