Astronomy

Check Out This Great View of Comet 96P Machholz, Courtesy of SOHO

Now’s the time to catch periodic Comet 96P Machholz on its encore dawn performance, before it slides out of view.

2 hours ago

Earth-Sized Planet Found At One of the Lightest Red Dwarfs

Astronomers have found another Earth-sized planet. It's about 31 light-years away and orbits in the habitable zone of a red…

11 hours ago

Rolls-Royce Space Reactor, Close Call in Orbit, Webb’s Back

Webb is fully operational again, Rolls-Royce is building a nuclear reactor for the Moon, and the space debris worst-case scenario…

2 days ago

A.I. Finds a New Way to Build Multiple-Star Systems

Over over 50% of high mass stars reside in multiple star systems. But due to their complex orbital interactions, physicists…

2 days ago

Astronomers use Earthquakes to Understand Glitches on Neutron Stars

A team of astronomers have used a model of earthquakes to understand glitches in the timing of pulsars. Their results…

3 days ago

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…

3 days ago

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…

5 days ago

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,…

5 days ago

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…

5 days ago

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…

5 days ago