The James Webb May See the First Stars to Appear in the Universe
Astronomers continue to hunt for the elusive kind of star known as Population III stars, the first stars to appear…
Curiosity Finds Another Metal Meteorite on Mars
MSL Curiosity is going about its business exploring Mars. The high-tech rover is currently exploring the sulphate-bearing unit on Mt.…
Hungry Black Hole was Already Feasting 800 Million Years After the Big Bang
Black holes swallow everything—including light—which explains why we can't see them. But we can observe their immediate surroundings and learn…
Mars Ingenuity Kicks up a Surprising Amount of Dust Every Time it Lands
Based on all the dust Ingenuity helicopter kicked up, a team of researchers has completed the first real-world study of…
This Binary System is Destined to Become a Kilonova
Kilonovae are extraordinarily rare. Astronomers think there are only about 10 of them in the Milky Way. But they're extraordinarily…
How Can We Know if We’re Looking at Habitable exo-Earths or Hellish exo-Venuses?
The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with glittering seas,…
The Historic Discussion of Ptolemy’s Star Catalog
From the time of its writing in the 2nd century CE, Claudius Ptolemy’s Almagest stood at the forefront of mathematical…
The First Stars May Have Weighed More Than 100,000 Suns
The universe was simply different when it was younger. Recently astronomers have discovered that complex physics in the young cosmos…
Drag Sail Success! This Satellite Won't Turn Into Space Junk
The European Space Agency successfully tested a solar-sail-type device to speed up the deorbit time for a used cubesat carrier…
Good News! Webb is Fully Operational Again
The James Webb Space Telescope is back to full science operations. One of the telescope’s instruments, the Near Infrared Imager…