Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...

Using various ground-based and space telescopes, an international team of astronomers has observed a highly variable young ...

The construction of the world’s largest visible- and infrared-light telescope is making significant strides in the remote ...

Chile is constructing the Extremely Large Telescope (ELT), the world's largest optical and near-infrared telescope, atop ...

The discovery of gravitational waves by the LIGO/VIRGO collaboration in 2015 confirmed a century-old prediction of Einstein ...

Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

Multiple space agencies will send missions to the moon this decade and the next, with plans to establish infrastructure that ...

The best telescopes for kids that we recommend are not toys but usable instruments, based on how easy they are to use for ...

At around £419 / US$399 / AU$699, it’s the most affordable smart telescope yet, undercutting the similarly sized Dwarflab ...