Several spacecraft are on watch this week as an interstellar traveler approaches Mars. This is real life, not a sci-fi movie, but there’s also no impending alien invasion. It’s just a harmless but ...

A rare visitor from beyond our solar system, comet 3I/Atlas, is poised to make a dramatic close approach to Mars this Friday, as a fleet of spacecraft trains its sights on the interstellar visitor.

The time it takes to get to Mars is not fixed; it’s not like taking a train where you have a set departure and arrival time. I remember discussing this with a friend who jokingly said, "It won't take ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor.

NASA proves laser communication works in space, sending HD video across millions of miles and paving the way for faster data from Mars.

Final tests of NASA's laser beam communication technology suggests we'll soon have a new way to keep in touch with astronauts ...

Red Mars meets bright Spica in the sunset sky this week. Mars will shine close to the blue star Spica at sunset on Sept. 13, ...

On 1992, Nasa launched the Mars Observer, aiming to unlock the mysteries of the Red Planet, while in 1977, the first Chicago ...

Curiosity is exploring Mars’ boxwork terrain, where ridges and hollows may have formed from cementation and erosion. The ...