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Guide to Mars’ opposition on May 22
Earth flies between Mars and sun on May 22, bringing it closer than Mars has been in over a decade. How to find and enjoy Mars during 2016's close opposition!
May 6, 2016
A pure methane sea on Titan
We knew that Saturn's moon Titan had seas and lakes of liquid hydrocarbons, but their exact composition was unknown until recently.
May 3, 2016
Just 40 light-years away, 3 potentially habitable planets
Earth-like planets aren't exclusively orbiting sunlike stars. Ultracool dwarf star TRAPPIST-1 hosts 3 potentially habitable planets.
May 3, 2016
Orbit like a comet, rocky like an asteroid
They're calling it a Manx comet, after the cats with no tails. It may have formed in the inner solar system and been ejected outward.
May 3, 2016
Astronomical events in 2016
A month by month listing of major moon phases, conjunctions, oppositions, meteor showers and other important dates, from astronomer Fred Espenak.
May 3, 2016
Breakthrough Starshot to Alpha Centauri
Breakthrough Starshot seeks proof of concept for a 100-million-mile-per-hour mission - using light-propelled nanocrafts - to reach the nearest star in 20 years.
April 29, 2016
Mars rover crosses most rugged terrain so far
The Curiosity rover has nearly crossed a stretch of the roughest terrain it's seen during its 44 months on Mars. Scientists are monitoring the wear and tear on the rover's wheels.
April 28, 2016
Stunning view of solar flare
On April 17, an active region on the sun’s right side released a mid-level solar flare, which can be seen in this video as a bright flash of light.
April 27, 2016
Dwarf planet Makemake has a moon
This Hubble Space Telescope image reveals the first moon ever discovered around little Makemake, in the outermost region of our solar system.
April 26, 2016
Watch NASA build a space telescope
The JWST mirror covers off for a few days this week, and webcams are set up at Goddard Space Flight Center. Watch!
April 26, 2016
