"We can study a diverse population of supermassive black holes and their radio jets at different stages of their evolution." ...

Astronomy does not belong off Earth. It belongs wherever the universe can be observed — and that necessarily includes the surface of the planet humans live on. Kelsey Johnson: Past President of the ...

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

A baby sunlike star blowing a bubble of hot gas called an “astrosphere” was captured for the first time by NASA’s Chandra X-ray Observatory ...

Read a sci-fi short story every month and join a virtual community of fellow science fiction fans! Using the world's largest radio telescope array, The Atacama Large Millimeter/submillimeter Array, ...

A newly detected X-ray transient may reveal the first direct evidence of an intermediate-mass black hole consuming a white dwarf. A newly observed cosmic outburst is giving astronomers a rare glimpse ...

We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

NASA astronomers have detected a 200-AU-wide X-ray-emitting bubble around the young Sun-like star HD 61005. The powerful ...

Expedition 74 completed weekend handover and cargo operations aboard the International Space Station as SpaceX Dragon prepares to return to Earth, according to NASA reports.

On February 24, 1968, an astronomy grad student Jocelyn Bell announced that she had discovered the first pulsar. A few months earlier, she noticed what she called a "bit of scruff" in the data from ...

NEW YORK (AP) — Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It’s ...

Six planets will align on Feb. 28, but not all will be seen with the naked eye. Here's how to watch the cosmic parade.