Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

The object’s aphelion – the farthest point on the orbit from the Sun – is more than 1,600 times that of the Earth’s orbit,” said Sihao Cheng of the Institute for Advanced Study, discussing the ...

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

According to astronomers, the last time this planet came close to the Sun was in 1930. In the same year, Pluto was discovered ...

Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system. It's possible the trans-Neptunian object, dubbed 2017 OF201, is large enough ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

Detailed images of the sun's corona have been hampered by turbulence in the Earth's atmosphere. Adaptive optics now make it possible to compensate for this.

"The new coronal adaptive optics system closes this decades-old gap and delivers images of coronal features at 63 kilometers resolution—the theoretical limit of the 1.6-meter Goode Solar Telescope," ...

PUNCH’s vibrant first images reveal the solar wind in a whole new light — literally. This ambitious NASA mission is set to capture the Sun’s outer layers in 3D for the first time.