It's the most extraordinary cosmic present any astronomer could wish for. Just six days before Christmas, an ancient ...

How can a galaxy display perfectly defined spiral arms when the Universe had only a little over 10% of its current age? This ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

The Large and Small Magellanic Clouds are irregular dwarf galaxies and satellites of the Milky Way. The LMC is about 163,000 ...

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

So it’s confession time: I’ve been lying to you. I’ve said on many occasions that our Milky Way galaxy has a flat disk (like in this column or this one). But it’s not really flat—not even for a ...

Researchers may have identified what could be a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...

New research suggests that as Earth traveled through space over billions of years, its movements in and out of the spiral arms of the Milky Way (seen here from the top of Cerro Armazones, Chile) may ...

Register for 2027 at [email protected] and we will contact you with confirmed tour details, including dates and prices, when available. Take off on a quest through the past, present and future of ...