Earth Science Astronomy

NASA satellite to crash to Earth

NASA satellite to crash to Earth after 14 years in space. What to know

A 1,300-pound NASA satellite will crash back to Earth in an expected milestone that will bring to an end its 14 years of orbiting our planet.

· 7h · on MSN

Old NASA science satellite plunges back to Earth

· 4h · on MSN

NASA spacecraft makes an uncontrolled plunge back to Earth

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NASA’s 1,300-pound Van Allen Probe A to blaze through atmosphere, plummet to Earth's surface within hours

Weighing just over 1,300 pounds, Nasa ’s Van Allen Probe A is hurtling toward Earth, with its fiery re-entry set to slam into the atmosphere later tonight.

CNET · 1d

Look Out Below! A 1,300-Pound NASA Satellite Is on Its Way Back to Earth

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NASA satellite crash: Spacecraft to reenter Earth after years in orbit

Complex on MSN

NASA's Van Allen Probe A set to re-enter Earth's atmosphere tonight

From discovering a mysterious third radiation belt to a fiery goodbye, here's how NASA's Van Allen Probe A changed space weather science forever.

5don MSN

Can we observe Earth-like exoplanets from our own planet?

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in astronomy and a key interest for the public. Addressing this challenge speaks directly to one of humanity's most fundamental questions: Are we alone in the universe?

Opinion

SpaceNewsOpinion

The future of astronomy is both on Earth and in space

A recent SpaceNews opinion article argued that it is time to “take astronomy off Earth.” The suggestion is straightforward: If satellite constellations and commercial space activity threaten ground-based astronomy,

ZME Science

Historian Finds Scribbles in 500-Year-Old Book, Showing Galileo Galilei’s Slow and Steady Rejection of the Geocentric World

In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an unexpected set of handwritten notes. He was reviewing a 1551 printed edition of Ptolemy’s Almagest when he spotted some interesting marginalia alongside a transcription of Psalm 145 on a loose page.