These highly energetic bursts of hard radiation have been seen by gamma-ray satellites such as Fermi and Swift, but the…

For the first time, an international team of astronomers has revealed the dramatic blow out phase of galactic evolution

They uncovered a population of very gas-rich systems, containing between 20 and 80 billion times the mass of the Sun in…

An international team of astronomers have uncovered new insights into the processes that have shaped galaxies, using

Astronomers have observed a mysterious phenomenon, which could be a massive black hole that has been ejected into space…

But weather forecasting on the Red Planet is likely to be even trickier than on Earth

A new study by researchers at McGill University and UCL finds that this same three-part pattern applies to atmospheric c…

In the early universe, starburst galaxies like AzTEC-3 formed stars at a frenetic pace, fueled by the copious quantities…

Using the observations, scientists were able to make a direct connection between the input of debris from the meteor sho…

The new movie Interstellar explores a longstanding fascination, but UA astrophysicists are using cutting-edge technology…

An international team of astronomers has carried out the most accurate study so far of the cocoon of gas and dust surrou…

A team of scientists using NASA’s Hubble Space Telescope has made the most detailed global map yet of the glow from a pl…

For the first time, scientists have measured the size and structure of a nova’s nuclear blast as it happened — thanks, i…

The image shows the planet from an altitude of 36,500 kilometers, or 22,680 miles, in three ultraviolet wavelength bands…

New optical device designed to measure gravitational pull of a planet should speed the search for Earth-like exoplanets

As the search for Earth-like planets wages on, a team of researchers from the Harvard-Smithsonian Center for Astrophysic…

An international team of astronomers has been able to see into the heart of an exploding star, by combining data from telescopes that are hundreds or even thousands of kilometres apart.

An international team of astronomers has been able to see into the heart of an exploding star, by combining data from te…

X-ray source in the Cigar Galaxy is the first ultraluminous pulsar ever detected

Astronomers working with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), led by Caltech's Fiona Harrison, have fo…

Astrophysicists have established that cosmic turbulence could have amplified magnetic fields to the strengths observed i…

In the quest to learn about planets beyond our solar system, this discovery marks the smallest planet for which scientis…

A new study of thermonuclear X-ray bursts on neutron stars reveals that, on very rare occasions, shells can be expelled…

Many Black Holes May Hide in Dwarf Remnants of Stripped Galaxies

A University of Utah astronomer and his colleagues discovered that an ultracompact dwarf galaxy harbors a supermassive b…