These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

"In about 1604, Johannes Kepler fitted an ellipse model of Mars' orbit to observations of ... For Neptune, in its wide and distant orbit at about 30 AU, the difference between the perihelion ...

This object remained for about 45 seconds or so before darting off over ... or aliens on the moon or Mars, or alien invasions that are quite dramatic. FILM NARRATOR: What are they?

In a light-hearted moment during a Supreme Court hearing on Thursday, a lawyer’s plea for “30 seconds” to argue his case led to an unusual turn of events when justice Hrishikesh Roy granted ...

Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

Using plasma engines can shorten the mission to 30-60 days, meaning it will be possible to send an astronaut to Mars and back." He said that creating a prototype was "one of the most important stages ...

"Using plasma engines can shorten the mission to 30-60 days, meaning it will be possible to send an astronaut to Mars and back." The engine operates on a fundamentally different principle than ...

“And we will pursue our manifest destiny into the stars, launching American astronauts to plant the Stars and Stripes on the planet Mars.” The sentence was conspicuous for its lack of mention ...