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A strong signal from a sunlike star sparked speculation this week that we might – at last – have heard from an alien civilization. Now astronomers say … no.
August 27, 2016 was the conjunction of Jupiter and Venus. Sky’s 2 brightest planets. Closest conjunction of any 2 planets in 2016.
“A decade ago, this year’s sea ice extent would have set a new record low …Now, we’re kind of used to these low levels of sea ice – it’s the new normal.”
It’s purple! An underwater research team spotted this guy off the coast of California.
Ever wonder what squirrels see as they scamper through the treetops? Wonder no more.
Japanese scientists utilize dramatic video to understand how goblin sharks feed. Danish scientists show that Greenland sharks can live to be nearly 400 years old!
In early August, SOHO spacecraft saw this bright sungrazing comet, plunging toward the sun at nearly 1.3 million miles (2.09 million km) per hour.
To celebrate the 4-year anniversary of Curiosity rover’s arrival on Mars, here’s a video on the final 7 minutes of its chilling descent on August 5-6, 2012.
The Emirates Mars Mission – which carries the name Hope – will become the first-ever mission to the Red Planet by any Arab country.
The National Park Service normally doesn’t allow night photography at the Dry Tortugas, but made an exception for this project.
Observers in the U.S. West saw a disintegrating meteor – a fireball, or extremely bright meteor – on July 27, 2016. It was the reentry of a Chinese rocket body.
A new study has found that bird brains have significantly more neurons than do mammal – even primate – brains of the same mass.
The sun emitted 3 mid-level solar flares on July 22-23, 2016. This is what NASA’s Solar Dynamics Observatory saw.
A new time-lapse video from New Zealand, showing both its dramatic landscape and the sky above. It’s called “The Edge of Perception.”
Watch a full year of Earth’s sunlit side, seen from a million miles away by the DSCOVR spacecraft.
Fly along with Earth’s shadow in a video depicting the path of the August 21, 2017 total eclipse of the sun, first eclipse over the continental U.S. since 1979.
The 6-month period from January to June was our planet’s warmest half-year in the modern temperature record, which dates to 1880.
New video released on 1-year anniversary of New Horizons’ visit to Pluto. It lets you ride aboard a Pluto spacecraft and then plunge toward its surface!
A huge earthquake could be building beneath Bangladesh, Earth’s most densely populated nation. There’s potential for some 140 million people to be affected.
Time-lapse video of the amazing noctilucent cloud display over northern Europe on July 12-14, 2016. Adrien Mauduit called it a “storm” of these clouds.
Ring of fire eclipse on September 1
Star trails at Lake Tekapo