Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

Webb’s sharper vision has revealed many disk-shaped galaxies from the early universe, and now, a small but growing number of ...

The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of ...

A high-altitude balloon telescope has revealed new patterns in X-rays emitted near the black hole Cygnus X-1. These signals ...

JWST infrared technology pierces cosmic dust with unmatched clarity, revealing hidden star nurseries and structures no ...

New Hubble images show the interstellar object in detail, amid claims by Harvard astrophysicist Avi Loeb that 3I/ATLAS could ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling ...

Robo-AO-2 is designed to correct the blur caused by Earth’s atmosphere, sharpening images of hundreds of objects each night with minimal human oversight. The system is led by astronomer Christoph ...

The Red Spider Nebula gives us a possible preview of what might happen to our own Sun in about 5 billion years: as the Sun runs out of fuel, it may also swell into a red giant, shed its outer layers, ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

A fresh study claims that gamma-ray photons could reveal the presence of dark matter, a discovery that, if confirmed, would reshape modern physics.