Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Astronomers

An illustration of two neutron stars merging, ejecting gamma ray streams and clouds of matter that produce heavy elements and light

Scientists Spot the Spark From Ancient Collision of Neutron Stars

The chirp and flash from the event offers clues to the origin of Earth’s precious metals

Artist's depiction of a pulsar.

Cool Finds

World’s Largest Radio Telescope Spies Its First Pulsars

Still in its trial run, the China’s FAST radio telescope has already identified two new pulsars and perhaps a dozen more

The remnant's of Kepler's supernova imaged with modern instruments.

How a 1604 Supernova Presented a Challenge to Astronomers

The supernova provided proof to Galileo, Kepler and others that the heavens were not fixed–although they were wrong about what caused the bright star

Trending Today

Three Scientists Behind the Detection of Gravitational Waves Awarded Nobel Prize in Physics

The trio is the leading force behind the massive pair of detectors that can measures ripples in the fabric of space-time smaller than the width of a proton

Rosetta's last image, a 11-foot square area of comet 67P/Churyumov-Gerasimenko

Cool Finds

Scientists Discover One Last Image From the Rosetta Mission

The probe sent partial data for the photo before it crash landed on a comet September 30, 2016

Artist's impression of 288P

New Research

Hubble Spots Strange Pair of Space Rocks in the Night Sky

The duo, dubbed 288P, may help scientists better understand asteroid evolution

This 1846 map of the solar system includes Vulcan as the planet closest to the sun.

Why Everyone Went on a Wild Goose Chase Looking for the Planet Vulcan

The idea of a ninth planet in the Solar System would resolve a mathematical conundrum about Mercury–only problem is, it wasn’t there

Cool Finds

2.8 Million Stars Sparkle in This Incredible Image of the Milky Way

The Gaia star surveyor captured a densely packed area near the center of the galaxy

To the naked eye, the Albireo star system looks like a single, brilliant star. In reality, this binary system consists of two stars, similar to the ones witnessed by Korean astronomers nearly 600 years ago.

New Research

The Secret Lives of Cannibal Stars Revealed, Thanks to 15th Century Korean Astronomers

For the first time ever, astrophysicists observe the entire life cycle of a binary star system

Backyard Worlds is using the power of citizen scientists to search for the elusive Planet 9.

The Universe Needs You: To Help in the Hunt for Planet 9

How one citizen science endeavor is using the Internet to democratize the search for distant worlds

NASA's Earth-orbiting satellite Hinode observes the 2011 annual solar eclipse from space.

Eclipse 2017: In Pursuit of Totality

You’ve made plans, packed bags, obtained glasses. Here’s what to read to fully appreciate this event in all its glory

This Pueblo rock carving in New Mexico might represent a remarkable solar eclipse dating back to 1097.

This New Mexico Petroglyph Might Reveal an Ancient Solar Eclipse

In 1097, a Pueblo artist may have etched a rare celestial event into the rock for all of posterity

New cloud complex discovered on Neptune

Cool Finds

New Storm as Big as Earth Is Stirring Up Neptune’s Atmosphere

Astronomers aren’t sure if the 5,600-mile-wide storm will peter out or if a deep vortex will keep it churning

None

A Brief History of Eclipse Chasers

They also go by umbraphiles, coronaphiles, eclipsoholics and ecliptomaniacs

Illustration made using an 1851 portrait of Mitchell by H. Dassell and a false-color image of supernova remnant Cassiopeia A by NASA.

Women Who Shaped History

When Girls Studied Planets and the Skies Had No Limits

Maria Mitchell, America’s first female astronomer, flourished at a time when both sexes “swept the sky”

Art Meets Science

Is Jupiter the “Star” in Lord Byron’s Famous Poem?

According to astronomer Donald Olson, the brilliant star described in Childe Harold’s Pilgrimage is actually a planet

Behold, ALMA's image of Betelgeuse

New Research

Detailed Images of a Distant Star Hold Clues to Its Ultimate Fate

Sitting some 640 light years from our planet, the star Betelgeuse is on the verge of supernova

Researchers now think that most stars—like this pair in the Perseus constellation—form in pairs.

New Research

Our Sun Probably Grew Up With a Sibling

But now its buddy is long gone

Artist's impression of a comet swarm around Tabby's Star

Trending Today

The “Alien Megastructure” Star Is Acting Up Again

A large dip in the star’s brightness suggests something massive is orbiting the fiery body

The Parkes radio telescope in Australia, which discovered the first FRB and the most recent burst

New Research

Latest Fast Radio Burst From Space Adds to Their Mystery

Researchers trained 11 telescopes on a recent burst’s aftermath, but could find no traces of what caused the high energy signal

Page 16 of 22