Since the Parker Solar Probe launched on August 12, 2018, Earth has made a single trip around the Sun, while the spacecraft is well into its third orbit...
By measuring the distance from the Sun to thousands of classical Cepheid stars and the associated young stellar populations scattered across the Milky...
In April 2019, NASA’s InSight lander used its Instrument Deployment Camera (IDC) to capture a series of Martian sunrise and sunset images.
NASA’s InSight...
New observations with the Subaru Telescope, a Japanese 8-m telescope on Mauna Kea, Hawaii, show that aurorae at Jupiter’s poles are heating the atmosphere...
NASA’s Mars rover Curiosity has captured several stunning videos of solar eclipses from the surface of the Red Planet.
Phobos transits the Sun’s disk,...
On April 4, 2019, NASA’s Parker Solar Probe achieved its second perihelion (close approach) of the Sun and flew within 15 million miles (24 million km)...
Astronomers once thought asteroids were boring, wayward space rocks that simply orbit around the Sun. But recent observations show that asteroids are anything...
A team of planetary scientists at the Australian National University found that our planet is made of the same elements as the Sun but has less of the...
A team of astronomers from the U.S. Naval Research Laboratory in Washington, DC, and the University of Colorado, Boulder, has found evidence for a fine...
‘Oumuamua, a recently discovered object of extrasolar origin, is a comet that rocks, according to a new study by astronomers at Yale University and Caltech.
This...
Evidence of an enormous solar storm that struck the Earth around 2,610 years ago has been found in ice cores from Greenland.
An artist’s illustration...
Astronomers using ESA’s Gaia satellite have discovered a large stellar stream that is currently traversing the immediate solar neighborhood at a distance...
As strong impulses strike the Earth’s magnetopause, the abrupt boundary between the planet’s magnetosphere and the surrounding plasma, ripples travel...
NASA’s Parker Solar Probe successfully completed its first orbit of the Sun on January 19.
Illustration of NASA’s Parker Solar Probe approaching the...
Astronomers using ESA’s galaxy-mapping spacecraft Gaia have discovered the first direct evidence that white dwarfs form crystal cores of metallic oxygen...
The Large Magellanic Cloud, a dwarf galaxy located approximately 163,000 light-years away, is on a collision course with the Milky Way with which it will...
The ‘bow shock’ is the first boundary the solar wind encounters as it approaches planets or comets. From 2014 to 2016, ESA’s Rosetta orbiter studied...
Forty-one years after it launched into space, NASA’s Voyager 2 spacecraft has crossed the outer edge of the heliosphere. Called the heliopause, this...