Jesse Emspak
SPACE.com
New York, NY, United States
Contact Jesse
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Past articles by Jesse:
Massive stellar pairs spewing X-rays offer a glimpse into the Milky Way's past
Tracking a binary back to its birthplace can give astronomers a range for when one of the stars became a supernova and sent the pair moving. → Read More
What goes up must come down: Study looks at risk of orbital debris casualties
The next piece of space debris that falls all the way to Earth's surface could cause very real casualties, and the odds are greater than people think, according to a new study. → Read More
Quantum entanglement: A simple explanation
Quantum entanglement is one seriously long-distance relationship. → Read More
Space rock alert: Should you worry about an asteroid impact?
NASA is testing one technique it might use should a large asteroid threaten to collide with Earth. But just how high are the odds of such a dangerous space rock after all? You don't need to panic. → Read More
July Full Moon 2019: 'Thunder Moon' Lunar Eclipse Meets Saturn in the Night Sky
July's full moon, nicknamed the Thunder Moon, occurs on July 16 at 5:38 p.m. EDT (2138 GMT). A partial lunar eclipse begins around that same time, and Saturn will be close by. → Read More
June Full Moon 2019: Strawberry Moon Swings by Jupiter and Saturn
The Full Strawberry Moon arrives on Monday, June 17. → Read More
May Full Moon 2019: See the Flower Moon with Jupiter and Saturn
See the Flower Moon in full bloom on May 18 along with several planets and constellations. → Read More
December Full Moon 2018: The 'Cold Moon' Marks the Start of Winter
The Full Cold Moon of Dec. 22, 2018, comes just after a conjunction with the bright star Aldebaran. → Read More
States of Matter: Bose-Einstein Condensate
A Bose-Einstein condensate is a state of matter in which extremely cold atoms clump together and act as if they were a single atom. → Read More
What's the Coldest Place in the Universe?
The coolest place in the Universe is 5,000 light years from Earth. → Read More
April Full Moon 2018: When to See the 'Pink Moon'
The full Pink Moon peaks near the end of the month on Sunday, April 29, at 8:58 p.m. EDT (0058 GMT on April 30), offering a fine view for after-dinner skywatchers in the eastern U.S. → Read More
March Full Moons 2018: When to See the 'Worm Moon' and a (Blue) 'Sap Moon'
Two full moons will light up the sky in March. Here's everything you need to know about the Worm Moon and the Blue Sap Moon. → Read More
February 2018 Skywatching Guide: No Full Moon, Partial Solar Eclipse
For most of the world, no full moon will occur in February, because January got two. But a partial solar eclipse will be visible in southern South America and Antarctica. → Read More
Eta Aquarid Meteor Shower 2018: When, Where and How to See It
The Eta Aquarid meteor shower from late April to mid-May offers a long stretch of spectacular 'shooting stars' that even a casual observer can spot in the night sky. → Read More
Lyrid Meteor Shower 2017: When, Where & How to See It
In late April, skywatchers in the Northern Hemisphere will get a view of the Lyrid meteor shower, the dusty trail of a comet with a centuries-long orbit around the sun. → Read More
Metal Tires for Mars: 'Shape Memory' Could Help Rovers Roll
NASA scientists have built a flexible tire made of metal that springs back to its original shape after being bent or deformed. The tire could be used on Mars or even on Earth. → Read More
Lunar Eclipse 2018 Guide: When, Where & How to See It
There are two total lunar eclipses happening in 2018 -- one in January and one in July. Here are the best places, times and tools to see them. → Read More
Super Blue Blood-Moon 2018: When, Where and How to See It
A blue moon, a supermoon, and a blood moon (i.e. a lunar eclipse) are happening around the same time in January 2018: Here’s when. → Read More
Bolts from the Blue: What's Sparking This Crazy Electrified Dance?
A glass tube filled with lightning sparked plenty of attention after it was posted on Reddit this month. Here's the science behind the trick. → Read More
Full Cold Moon Tonight Heralds December's Supermoon: What to Expect
December's Full Cold Moon rises tonight (Dec. 3), bringing the only "supermoon" of the year on its heels. → Read More