Great telescope Deal: The Celestron Travelscope 60 is under $40

The Sun can be observed with a Lunt Solar Systems hydrogen-alpha telescope that filters out all but one wavelength of red light. An image stacking program called Registax removes a lot of noise caused by Earth’s turbulent atmosphere

Explaining the “universe breaker” galaxies discovered by the James Webb Telescope

New study reveals biodiversity loss drove ecological collapse after the 'Great Dying'