Astronomy
A New Search for Evidence of Technological Civilizations in the Milky Way
Scientists from the Harvard-Smithsonian Center for Astrophysics and University of Rochester have come together (with NASA funding) to launch a…
Quasars are the Biggest Particle Accelerators in the Universe
We puny humans think we can accelerate particles? Look how proud we are of the Large Hadron Collider. But any…
There are Features on Titan That Really Look Like Volcanic Craters
A new study supported by the Cassini mission shows how the northern polar region of Titan could still be experiencing…
Planets With Large Oceans are Probably Common in the Milky Way
A new study by a team of NASA scientists indicates that "ocean worlds," like those in our Solar System, could…
Astronomers Estimate There Are 6 Billion Earth-Like Planets in the Milky Way
Six billion Earth-like planets in the Milky Way? If true, that's astounding. But the number needs some context. The Milky…
ExoMars Sees the Martian Atmosphere Glowing Green
ExoMars' Trace Gas Orbiter (TGO) recently spotted a green glow in Mars' atmosphere, which is similar to what Earth's atmosphere…
Catch a Solstice ‘Ring of Fire’ Annular Solar Eclipse Over Africa and Asia This Weekend
Ready for the first solar eclipse of the year? This weekend sees one of the top draw astronomical events for…
Searching for the End of the Universe’s “Dark Age”
According to the most widely accepted cosmological theories, the first stars in the Universe formed a few hundred million years…
Why Pulsars Are So Bright
When pulsars were first discovered in 1967, their rhythmic radio-wave pulsations were a mystery. Some thought their radio beams must…
Book Review: Atlas of Solar Eclipses 2020 to 2045
Anyone who has stood in the shadow of the Moon during totality knows the thrill of a total solar eclipse.…