Comet's Mars Flyby Sunday Has Scientists Abuzz
Comet Siding Spring will zoom within 87,000 miles of Mars at 2:27 p.m. EDT on Sunday (Oct. 19). Scientists will observe the flyby using the fleet of spacecraft already at Mars, studying the comet and any effects its dust has on the planet's atmosphere.
Comet Will Buzz Mars Sunday: How to See It in Telescopes
A comet is on course for a super-close approach with the planet Mars this Sunday (Oct. 19) in a rare celestial encounter. If you have a moderate-size telescope, you might be able to spot the icy wanderer as it nears the Red Planet, weather permitting.
How to Safely Watch Next Week's Partial Solar Eclipse
Millions of people across North America will have a chance to observe a partial solar eclipse next week, weather permitting.