The previously unreconciled acceleration of 1I/2017 U1 ‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected gaseous water in the planet-forming disk around V883 Orionis, a...
‘Sun rays’ are also known as crepuscular rays, from the Latin word for twilight. It was the first time sun rays have been so clearly viewed on Mars.
This...
In new research, paleontologists analyzed abundances of sunscreen-like chemicals in 800 fossil pollen grains from 250-million-year-old rocks in Tibet.
The...
The accurate agricultural calendar allowed the ancient inhabitants of the Basin of Mexico to plan their agricultural cycle to feed one of the largest population...
Astronomers using the Dark Energy Camera (DECam) on the Víctor M. Blanco 4-m telescope at Cerro Tololo Inter-American Observatory have discovered two...
A light pillar is an optical phenomenon where a column of light can be seen emanating from a light source. If the light comes from the Sun, the phenomenon...
Solar switchbacks are sudden, large radial deflections of the solar wind magnetic field, previously revealed in interplanetary space by NASA spacecraft.
This...
With an age of 4.57 billion years, the Sun is currently in its comfortable middle age, fusing hydrogen into helium and generally being rather stable; staid...
WISE 1810055-1010023 (WISE 1810 for short), a metal-poor brown dwarf located 8.9 parsecs (29 light-years) away, is nearly 10 billion years old.
Images...
On March 26, 2022, the ESA/NASA Solar Orbiter spacecraft made the first of its close perihelion passages. The spacecraft flew closer to the Sun than the...
One of the new images, taken by the Extreme Ultraviolet Imager (EUI) aboard the ESA/NASA Solar Orbiter spacecraft on March 7, 2022, is the highest resolution...
In a new paper in the Astrophysical Journal, a duo of astronomers from the Kavli Institute for Particle Astrophysics and Cosmology at Stanford University...
NASA’s Solar Dynamics Observatory (SDO) captured images of M- and X-class solar flares on March 30 and 31, 2022, respectively.
SDO captured this image...
Scholars have long seen in the monumental composition of Stonehenge evidence for prehistoric time-reckoning — a Neolithic calendar. Exactly how such...
Astronomers using the ESA/NASA Solar Orbiter and the NASA/ESA Solar and Heliospheric Observatory (SOHO) spacecraft have captured the largest solar prominence...
Dr. Chengcai Shen from the Harvard & Smithsonian Center for Astrophysics and colleagues have analyzed images of the so-called supra-arcade downflows...
During solar storms, the Sun expels large amounts of energetic particles that can react with the atmosphere of Earth and produce cosmogenic isotopes such...
