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Mars and Earth May Not Have Been Early Neighbors

A global view of Mars. A study published in the journal Earth and Planetary Science Letters posits that Mars formed in what today is the Asteroid Belt , roughly one and a half times as far from the sun as its current position, before migrating to its present location.  The assumption has generally been that […]

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Mysterious X-Ray Emission May Reveal Nature of Dark Matter

X-ray light from the Perseus cluster of galaxies may finally reveal the true nature of one of the most mysterious substances in the cosmos: dark matter. Dark matter is a bizarre material that does not emit light or energy, yet is thought to make up about 85 percent of the matter in the universe. Researchers […]

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Report Calls for ISS Research Transition Plan and Use of Alternative Platforms

With the ISS partners committed to operating the station only through 2024, a new report calls on NASA to develop transition plans for the growing amount of research performed there. WASHINGTON — With utilization of the International Space Station reaching a maximum, and with its long-term future uncertain, a recent report recommends that NASA develop […]

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Sorry Sci-Fi Fans, Real Wars in Space Not the Stuff of Hollywood

The space around Earth is contested and congested. WASHINGTON — The public’s idea of a war in space is almost entirely a product of Hollywood fantasy: Interstellar empires battling to conquer the cosmos, spaceships going head to head in pitched dogfights The reality of how nations will fight in space  is much duller and blander. […]

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Guessing Game: When Will China's Space Lab Fall to Earth?

Artist’s illustration of China’s Tiangong-1 space lab in Earth orbit. A 9-ton Chinese space lab will fall out of the sky soon — and if you predict exactly when, you can win some swag. The Aerospace Corp.’s Center for Orbital and Reentry Debris Studies (CORDS) is sponsoring a guessing game about the death day of […]

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2018 a Big Year of Transition for Military Space

Secretary of the Air Force Heather Wilson speaks to the Senate Armed Service Committee Dec. 7, 2017. WASHINGTON — A controversial shakeup of the military space organization  mandated by Congress will get underway in 2018. Details of how and when the changes will unfold are slowly emerging. A laundry list of provisions in the National Defense […]

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'Bomb Cyclone' Forecast to Hit East Coast

Water vapor across the globe on Jan. 3, 2018. Just when you thought the weather couldn’t get any worse, The Washington Post hits us with “bomb cyclone.” That’s right: Forecasters suggest this “bomb” will make the U.S. East Coast unbearable for many. How does a system reach bomb-cyclone status? Its atmospheric pressure must drop so […]

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No Alien Megastructure: Star's Weird Dimming Likely Caused by Dust

An artist’s illustration depicting a hypothetical dust ring orbiting Tabby’s star, more formally known as KIC 846. Well, we always knew the alien-megastructure idea was a long shot. E.T. has nothing to do with the bizarre dimming events of the mysterious object known as Tabby’s star , a new study reports. “Dust is most likely […]

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Subdued Quadrantid Meteor Shower Peaks Today: What to Expect

The annual Quadrantid meteor shower peaks today (Jan. 3), but don’t get your hopes up for a spectacular sky show. The Quadrantids are flaring up on the heels of Monday’s (Jan. 1) Full Wolf supermoon , the brightest full moon of 2018. Most of the meteors will therefore get drowned out by the glare of Earth’s […]

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Russia Lost a $45 Million Weather Satellite Due to Human Error, Official Says

The loss of a $45 million Russian weather satellite last November was due to human error, a high-ranking official said, because the satellite’s programming was set for the wrong launch site. Russian Deputy Prime Minister Dmitry Rogozin told Russian state television that the programming for the satellite, called Meteor-M No.2-1, included instructions based on the […]

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NASA is sending a probe to the asteroid Bennu to collect samples from the space rock and return them to Earth. <a href=

Asteroid-Bound Spacecraft Snaps Color Pic of Earth and Moon

NASA’s OSIRIS-REx spacecraft, which is currently on its way to the asteroid Bennu, captured this color composite image of Earth and the moon on Oct. 2, 2017. About halfway through its two-year trek to the asteroid Bennu, NASA’s OSIRIS-REx spacecraft took some stunning images of Earth and the moon as it whizzed past its home […]

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