Space News & Blog Articles

Astronomers have discovered that one of the Milky Way’s nearest galactic neighbors has dramatically changed its looks in the recent past.

Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.

The James Webb Space Telescope has confirmed its first exoplanet, a rocky Earth-size planet, and attempted to take the measure of its atmosphere.

A supernova that skywatchers in the Far East observed almost 850 years ago has produced the most unusual remnant astronomers have ever found

A tiny binary system is not only small but also ancient, billions of years older than other such systems, which raises questions about its origins.

On Friday the 13th, Saturn is still well above bright Venus in twilight. Watch them close toward their conjunction on the 22nd. Jupiter and fading Mars shine high. Sirius sparkles below Orion, and the ascendant Big Dipper stands on its handle.

Astronomers have mapped the magnetic field along the "bubble" of gas 1,000 light-years wide around the Sun.

A red giant star thousands of light-years away "blinked," dimming significantly for seven long years, before returning to normal.

Mirfak, the brightest star in the constellation Perseus, is a yellow supergiant star with an uncertain fate.

Images and spectra from the James Webb Space Telescope suggest that the first galaxies in the universe are too many or too bright compared to what astronomers expected.

Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including an annular event in October whose path runs from Oregon through Texas.

Native American tribes each had their own full Moon names — we introduce the most commonly used ones and the traditions behind them.

Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.

Saturn approaches Venus in twilight, Jupiter and Mars ride high, and Mare Orientale peeks around the edhe of the Moon. And, try exploring the many double stars in Orion's Sword.

Why do we look up? Because we are a way for the universe to know itself; and perhaps because the universe is a way for us to know ourselves.

The Winter Hexagon is not the only key to finding six of the season's most prominent constellations but also a gateway to a more than a half-dozen delightful double stars.

A tour of Jupiter’s moons and a mission to a "metal asteroid" are among the spacecraft to be launched in 2023.

Acclaimed astrophotographer Akira Fujii's wide-field views of the constellations, each with impeccable star images, have been a hallmark of Sky & Telescope magazine for nearly four decades.

For those well north of the equator, January’s long nights provide lots of time to enjoy the starry sky — and the stars of winter are spectacular! This month’s celestial highlights include a close pass of Saturn and Venus, a strong meteor shower, and much more. Our fun and factual Sky Tour podcast provides all the details.

Venus creeps up, Saturn sinks down; in three weeks the two shall meet. The Moon meets Mars. Orion comes into his own to rule the winter, and Sirius emerges below him.

NASA's groundbreaking Insight lander on Mars has fallen silent.