This year, the number of NASA-tracked confirmed worlds discovered beyond our solar system surpassed 6,000, and several thousand more await confirmation.
The milestone, reached just three decades after the Nobel Prize-winning discovery of the

This year, the number of NASA-tracked confirmed worlds discovered beyond our solar system surpassed 6,000, and several thousand more await confirmation.
The milestone, reached just three decades after the Nobel Prize-winning discovery of the

An international team of astronomers has achieved a historic milestone in probing the early universe, using the James Webb Space Telescope (JWST) to detect a supernova—the explosive death of a massive star—at an unprecedented distance.
The…

Astronomers use many mnemonics (memory tricks?) to remember stars and constellations. One of these that is visible right now is the Winter Circle.
Follow Orion’s three belt stars southeast (down and to the left)…

Two types of plasmids, colored red and blue,…

If you’ve just unboxed a telescope for Christmas 2025, you’re in luck. Not only is a waxing crescent moon in the evening sky in the week between Christmas Day and New Year’s Eve, but Jupiter is riding high — looking like a “Christmas…

A world in warming, under most circumstances, tipping toward deep cooling does seem counterintuitive; yet, Earth’s geological record is replete with such episodes when rising greenhouse gases were followed by abrupt climatic reversals. Today,…


Celebrating Christmas in space while flying higher than Santa.
Astronauts aboard the International Space Station (ISS) celebrated Christmas…