What do astronomers look for when they study exoplanets for signs of alien life? Hank explains how space telescopes are already yielding tantalizing clues of what other worlds might hold -- including water! -- and how the next generation of technology will be able to reveal to us. Like ...

In this week's Questions and Answers show, I explain why James Web still can't see the Big Bang, if black holes can "unblack hole" later in life and what is the cutest nebula in the Universe? 00:00 Start 03:17 Can Webb see back to the Big Bang? 08:20 Could antimatter destroy a black hole? ...

Look up at the night sky and, if you're away from city lights, you'll see stars. The space between those bright points of light is, of course, filled with inky blackness. Some astronomers have wondered about that all that dark space — about how dark it really is. "Is space truly black?" says ...

NASA's revolutionary discovery will reveal the truth of Aliens and our universe. Time Machine #JamesWebbTelescope #TimeMachine #Aliens James Webb Telescope: अंतरिक्ष यानी की ब्रम्हांड इतना विशाल है कि इसका कोई अंत नहीं है, फिर भी खगोलविद और वैज्ञानिक अनंत ब्रम्हांड की खोज करने में जुटे ...

ESA’s anniversary DVD film “Hubble - 15 years of discovery” covers all aspects of the Hubble Space Telescope project – a journey through the history, the troubled early life and the ultimate scientific successes of Hubble. This portrait, directed by Lars Lindberg Christensen, contains large ...