A Fine Southern Apparition for Comet T4 Lemmon
The time to catch Comet T4 Lemmon is now, before it vanishes for another 36,000 years.
There Could be Trillions of Rogue Planets Wandering the Milky Way
A pair of new studies set to be published in The Astronomical Journal examine new discoveries in the field of…
A New Technique Lets Us Learn What the Milky Way’s Arms Are Made Of
We're all used to seeing maps of the Milky Way rich with stars and nebulae. But, there are regions we…
JWST Sees Newly Forming Planets Swimming in Water
One big question about Earth’s formation is, where did all the water come from? New data from the James Webb…
This Mess of Boulders Was Deposited by an Ancient River on Mars
NASA's Perseverance rover took its 20th sample from "Emerald Lake," an area filled by rocks that were deposited by an…
Engineers Design a Robot That Can Stick To, Crawl Along, and Sail Around Rubble Pile Asteroids
Asteroids come in many shapes and sizes. Most are spherical, though many have a feature that can make them difficult…
Venus Needed Asteroid Impacts to Get its Volcanoes Going
Unlike Earth, Venus lacks the plate tectonics that give rise to volcanoes. But the surface of Venus looks far younger…
An Enormous Cosmological Simulation Wraps Up, Recreating Even More of the Universe
There's an old joke among astronomy students about a question on the final exam for a cosmology class. It goes…
A Massive Galaxy With Almost No Dark Matter
Astronomers have found a massive galaxy that contains little to no Dark Matter, something that doesn't fit with current cosmological…
NASA Astronauts Get a New Ride at Kennedy Space Center
In its continued support for the Artemis missions, a three fully-electric, environmentally friendly, and specially designed vehicles were recently delivered…