The observatory’s proximity to Kirkwood Avenue, a hotspot for IU students, helps attract people outside of the astronomy ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial ...

The gas giant WASP-18b belongs to a class known as ultra-hot Jupiters — giant, searing, gaseous planets that orbit perilously close to their stars. Researchers used a new technique called ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy ...

Carl Sagan explained the thought process of the ancient Greek scientist Eratosthenes, who determined the circumference of the ...

The wavelengths of radio light are so large that you can't capture a high-resolution image with a single dish. To capture an image as sharp as, say, the Hubble telescope, you'd need a radio dish tens ...

The Heart Nebula shines 6,000 light-years from Earth in the constellation Cassiopeia. Astrophotographer Ronald Brecher has captured a colorful view of the Heart Nebula (IC 1805), which is located some ...

Artist’s interpretation of two massive black holes (MBHs) within a galaxy. Credit: NSF/AUI/NSF NRAO/P.Vosteen. In a groundbreaking discovery, astronomers have detected powerful radio signals from a ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus has now stolen a little of that spotlight. A new paper released in The ...

A Douglas County native who is an associate professor of astronomy at California Institute of Technology, or Caltech, recently received a large grant to continue his studies and work with black holes ...