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NASA's rotating detonation rocket engine posts record test results

Untangling a knot of galaxy clusters

Untangling a knot of galaxy clusters

17 hours ago

Astronomers have captured a spectacular, ongoing collision between at least three galaxy clusters. Collisions and mergers like this are the main way that galaxy clusters can grow into the gigantic cosmic edifices seen today.

Hubble views bright variable star V 372 Orionis and a smaller companion star

Hubble views bright variable star V 372 Orionis and a smaller companion star

4 days ago

The bright variable star V 372 Orionis takes center stage in this image from the NASA/ESA Hubble Space Telescope, which has also captured a smaller companion star in the upper left of this image. Both stars lie in the Orion Nebula, a colossal region of star formation roughly 1,450 light-years from Earth.

NASA's Webb Telescope receives top space foundation award

NASA's Webb Telescope receives top space foundation award

5 days ago

NASA's James Webb Space Telescope team has been selected to receive the 2023 John L. "Jack" Swigert, Jr., Award for Space Exploration, a top award from the Space Foundation. This annual award honors a space agency, company, or consortium of organizations in the realm of space exploration and discovery.

How cells could help Artemis astronauts exercise

How cells could help Artemis astronauts exercise

5 days ago

In 2033, NASA and China plan to send the first crewed missions to Mars. These missions will launch every two years when Earth and Mars are at the closest points in their orbits (Mars Opposition). It will take these missions six to nine months to reach the Red Planet using conventional technology.

A hymn to the stars: What happens when science puts the universe into music?

A hymn to the stars: What happens when science puts the universe into music?

5 days ago

A little over six months ago, NASA's James Webb Space Telescope (JWST) delivered its first photographs, dazzling the world as it revealed the cosmos in glorious technicolor. The first picture transmitted in July showed a galaxy cluster located in the Southern hemisphere sky, 5.12 billion light years from Earth.

NASA's Fermi detects first gamma-ray eclipses from 'spider' star systems

NASA's Fermi detects first gamma-ray eclipses from 'spider' star systems

5 days ago

Scientists have discovered the first gamma-ray eclipses from a special type of binary star system using data from NASA's Fermi Gamma-ray Space Telescope. These so-called spider systems each contain a pulsar—the superdense, rapidly rotating remains of a star that exploded in a supernova—that slowly erodes its companion.

Nine new and exotic creatures for the pulsar zoo

Nine new and exotic creatures for the pulsar zoo

5 days ago

Researchers using MeerKAT in South Africa have discovered nine millisecond pulsars, most of them in rare and sometimes unusual binary systems, as the first result of a targeted survey.

Lucy spacecraft set to encounter new asteroid target

Lucy spacecraft set to encounter new asteroid target

6 days ago

NASA's Lucy spacecraft will add another asteroid encounter to its 4-billion-mile journey. On Nov. 1, 2023, the Southwest Research Institute-led Lucy mission will get a close-up view of a small main belt asteroid to conduct an engineering test of the spacecraft's innovative asteroid-tracking navigation system.

ESA chief vows to restore Europe's access to space

ESA chief vows to restore Europe's access to space

6 days ago

The European Space Agency's director general says it's crucial to rebuild Europe's access to space following the botched launch of a European rocket carrying two Earth observation satellites last year and the delayed introduction of the Ariane 6 launcher.

Astronomers discover a peculiar cataclysmic variable star

Astronomers discover a peculiar cataclysmic variable star

6 days ago

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a peculiar cataclysmic variable star. The newly found system, designated SDSS J134441.83+204408.3 (or J1344 for short) is a highly asynchronous, short-period magnetic cataclysmic variable, despite its high surface field strength.