IT is easy to feel like we know nothing about our universe, and unexplained stellar objects are the most puzzling feature of ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

远古时期神秘天体的飞掠，重新塑造了我们的太阳系。 超级计算机模拟结果显示，远古时期一个神秘天体的近距离飞掠可能重新塑造了太阳系。Forschungszentrum Jülich 远古时期一个神秘天体的飞掠，可能重新塑造了我们的太阳系。这个在数十亿年前造访的天体距离太阳最近时只有110个天文单位（1天文单位等于地球和太阳间的1个平均距离），其留下的影响遍及整个太阳系，且一直延续至今。 天文学家常常将 ...

Starstruck Billions of years ago, our Solar System may have had an incredibly close encounter with another passing star. As ...

A distant star has a dead star companion lurking in its vicinity that could be a monster-massive white dwarf, raising the ...

"The most exciting part of the HSC was the discovery of 11 objects at distances beyond the known Kuiper Belt," said Yoshida.

These galaxies – some hundreds of them and called the Little Red Dots – are very red and compact, and visible only during ...

The outer solar system is home to thousands of smaller celestial bodies beyond Neptune. Many of these objects have peculiar ...

Ressler The James Webb Space Telescope has peered at some very, very distant objects, but despite its name, Webb ...

Over the past six decades, scientists have discovered two dozen stellar-mass black holes using X-ray methods. These black ...

Over the past six decades, scientists have discovered two dozen stellar-mass black holes using X-ray methods. The mass ...

The Nancy Grace Roman Space Telescope, set to launch in 2027, aims to capture high-resolution images of galaxies and cosmic ...