This week will be the only chance to ever observe Comet Leonard — one of the brightest comets to pass by the planet Earth. Comet C/2021 A1 (Leonard) was discovered in January by Astronomer Greg ...

Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait for a long-period comet to arrive in the inner solar system then set off on ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. On Tuesday, Oct. 14, 2025, Comet Lemmon (C/2025 A6) will ...

ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant object revealed a glowing coma as it was heated by the Sun. Researchers are ...

A few days ago, an inscrutable interstellar interloper made its closest approach to Mars, where a fleet of international spacecraft seek to unravel the red planet’s ancient mysteries. Several of the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. C/2020 F3 (NEOWISE), or Comet NEOWISE, is a retrograde comet ...

Stargazers are in for a treat -- a newly discovered comet is visible in the July night sky. Comet Neowise, discovered in late March, is appearing brighter as it approaches the sun, according to ...

Another comet, C/2025 A6 Lemmon, is possibly becoming bright enough to be visible to the naked eye in the coming days.(WTOP/Greg Redfern) A year ago, the D.C. region was enthralled with Comet A3 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...