Planets viewed from Earth as if they were at the distance of our moon

The brightest planets in the night sky are aligning for a must-see show in late February and March 2012. Start looking tonight!

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured the drop in light as each planet passed in fro

Jupiter-Venus conjunction 2023: The two planets will pass within half a degree of each other in a spectacular planetary conjunction on 1-2 March 2023. The conjunction of Jupiter and Venus will be one of the best planetary events that can be seen with unaided eyes. Besides that, in March, the Moon wi...

How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide? We've never seen them directly, yet we know they are there. Lurking within dense star clusters or wandering the dust lanes of the galaxy. Where they prey on stars. Or swallow planets whole....

The Giant Magellan Telescope (GMT) is slated to be the first in a new class of extremely large telescopes, capable of producing images with 10 times the clarity of those captured by the Hubble Space Telescope. The GMT aims to discover Earth-like planets around nearby stars and the tiny distortions t...

All landings on Mars are difficult, but NASA's Perseverance rover is attempting to touch down in the most challenging terrain on Mars ever targeted.

This ESOcast shows how observations at many sites in South America, including ESO's La Silla Observatory, have made the surprise discovery that the remote asteroid Chariklo is surrounded by two dense and narrow rings. This is the smallest object by far found to have rings and only the fifth body in

The Atacama Desert In Chile is a great place to get an idea what life would be like on an extra solar planet like Gliese 581 C Taken From Horizon: Are We Alone in teh Universe?

The Grand Finale - NASA's Cassini spacecraft will dive through the unexplored space between Saturn and its rings. What we learn from these ultra-close passes over the planet could be some of the most exciting revelations ever returned by the long-lived spacecraft. This animated video tells the story...