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Space rock hit moon at 38,000 mph
It was a flash of light seen on the edge of moon during the total lunar eclipse of January 20-21, 2019. Now astronomers have analyzed this meteor strike, the first ever filmed during an eclipse.
May 2, 2019
Preparing for asteroid Apophis
Astronomers are meeting today at the Planetary Defense Conference to discuss plans to observe asteroid 99942 Apophis, a relatively large asteroid that'll sweep past Earth safely - but rather closely - in 2029.
April 30, 2019
Black hole’s gravity seen tugging on nearby space
"We were gobsmacked by what we saw in this system. It was completely unexpected ... It tells us a little more about that big question: ‘How did we get here?'"
April 29, 2019
You saw the 1st photo of a black hole? Now see its home galaxy
The 1st-ever photo of a giant black hole made headlines earlier this month. Now see some beautiful images of M87, the great galaxy that it calls home, located some 55 million light-years from Earth.
April 29, 2019
What’s on the far side of the moon?
The far side of the moon sees its share of sunlight. With all due respect to Pink Floyd, the moon's far side is dark only in the sense that it's mysterious. Here's why.
April 29, 2019
Mystery solved: Mercury has a solid heart
Here's how NASA's MESSENGER mission - which orbited Mercury from 2011 to 2015 - let scientists finally solve one of Mercury's biggest mysteries, about whether its innermost core is liquid or solid.
April 28, 2019
The day the asteroid might hit
For the 1st time, the European Space Agency will cover progress of a hypothetical asteroid impact scenario - this week - live via social media, from the heart of the Planetary Defense Conference in Washington, DC.
April 28, 2019
TESS discovers its 1st Earth-sized exoplanet
Launched in 2018, TESS is NASA's new space-based exoplanet hunter. Now it's found its 1st Earth-sized world orbiting a nearby star. The discovery bodes well, scientists say, for finding more similar worlds in the near future.
April 26, 2019
Listen to 1st-ever recorded marsquake
On April 6, NASA’s Mars InSight lander captured the 1st-ever audio of a likely “marsquake.”
April 25, 2019
Did an interstellar traveler hit Earth in 2014?
'Oumuamua - 1st known object to sweep past us from beyond our solar system - caused a stir when astronomers spotted it in 2017. Now a new study suggests another interstellar object might have hit the Earth in 2014.
April 25, 2019
