Scientists create a virtual reality simulation of a supermassive black hole

The black hole at the center of our galaxy, Sagittarius A*, has been visualized in virtual reality for the first time. The details are described...

Merging galaxies fuel supermassive black holes

New study offers a preview of what will likely happen in our own cosmic backyard when our Milky Way combines with the neighboring Andromeda...

Scientists detect once-in-a-lifetime gamma rays

Scientists have discovered something amazing. In a cluster of some of the most massive and luminous stars in our galaxy, about 5,000 light years from...

Electric blue thrusters to propel BepiColombo to Mercury

In mid-December, twin discs will begin glowing blue on the underside of a minibus-sized spacecraft in deep space. At that moment, Europe and Japan's BepiColombo...

A 1972 solar storm triggered a Vietnam war mystery

On Aug. 4, 1972, U.S. military pilots flying south of Haiphong harbor in North Vietnam saw something unexpected. More than two dozen sea mines suddenly...
Overflowing crater lakes carved canyons across Mars

Overflowing crater lakes carved canyons across Mars

Today, most of the water on Mars is locked away in frozen ice caps. But billions of years ago it flowed freely across the surface,...
Astronomers find possible elusive star behind supernova

Astronomers find possible elusive star behind supernova

Astronomers may have finally uncovered the long-sought progenitor to a specific type of exploding star by sifting through NASA Hubble Space Telescope archival data. The...

Scientists detect gravitational waves from a merged hyper-massive neutron star for the first time

For the first time astronomers have detected gravitational waves from a merged, hyper-massive neutron star. The scientists, Maurice van Putten of Sejong University in South...

NASA learns more about first known interstellar visitor ‘Oumuamua

In November 2017, scientists pointed NASA's Spitzer Space Telescope toward the object known as 'Oumuamua — the first known interstellar object to visit our...
The most luminous galaxy is eating three of its neighbors

The most luminous galaxy is eating three of its neighbors

The most luminous galaxy ever discovered is cannibalizing not one, not two, but at least three of its smaller neighbors, according to a new...

Astronomers discover a cold super-Earth around second-closest star system to our own

Astronomers have discovered a planet in orbit around one of the closest stars to the Sun, Barnard's star. The study was co-led by researchers from...

Scientists discover a super-Earth around the second nearest stellar system

The exoplanet orbits the red dwarf Barnard, the closest star to the Sun after the Alpha Centauri system Just six light-years away, Barnard's star moves...

Why space debris cleanup might be a national security threat

As an international relations scholar who studies space law and policy, I have come to realize what most people do not fully appreciate: Dealing with...

Gaia satellite spots a ‘ghost’ galaxy next door

The Gaia satellite has spotted an enormous ‘ghost’ galaxy lurking on the outskirts of the Milky Way. An international team of astronomers, including from the...

Ralph: NASA’s first spacecraft to the Trojan asteroids

Ralph, one of NASA’s most well-traveled space explorers, has voyaged far and accomplished much: On the New Horizons mission, Ralph obtained stunning flyby images of...