A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars, dazzling space enthusiasts with the once-in-a-million-years encounter. The comet, known as Siding ...

Darn rover's been there more than 10 years and still producing firsts. Around 4:13 a.m. local time October 19, not long before the beginning of morning twilight, NASA's Opportunity Rover pointed its ...

Just weeks before the historic encounter of comet C/2013 A1 (Siding Spring) with Mars in October 2014, NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft entered orbit around the Red ...

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Could Mars have just stolen Earth’s front-row seat to one of the rarest cosmic events in decades? In early October, NASA’s Mars Reconnaissance Orbiter (MRO), the MAVEN spacecraft, and the Perseverance ...

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Over the last week, the European Space Agency’s (ESA) spacecraft Mars Express and ExoMars Trace Gas Orbiter (TGO) were tasked with an unusual request; instead of looking down onto the Red Planet as ...

The fleet of NASA’s science assets orbiting and exploring Mars are in for an astronomical treat, because on Sunday, October 19, a comet will hurtle right by the Red Planet. Comet C/2013 A1, also known ...

It is a rare event for the solar system to receive a visitor from the vast, lonely void of interstellar space, and even rarer to catch it on camera. Yet, at the beginning of October, the cosmic stage ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...