The explosion likely occurred within a dense shell of matter shed by a companion star.
How does NASA know it's time to end a mission? For the Spitzer Space Telescope, the agency can blame it on the spacecraft's juice.
Move over, red dwarfs. Emerging research shows that another star type could be more friendly to life.
The waning crescent moon will form a triangle with the Red Planet and the bright star Antares in the morning sky on Monday (Jan. 20), and you can catch the trio in the morning sky before dawn.
A 16-year NASA mission that painted the universe in infrared light will come to an end this month, as the Spitzer Space Telescope takes its final observations on Jan. 29.
A new 3D movie highlights the Crab Nebula, beginning with its location in the constellation Taurus and zooming in to show off its dynamic features.
Two cosmic love birds lit the way to the discovery of dark matter, and a new Hubble image features a behemoth galaxy that played a part in the groundbreaking finding.
Astronomers using NASA's Transiting Exoplanet Survey Satellite found that the star ancient Egyptians once used as their North Star is part of a binary pair of stars that eclipse one another.
Researchers claim to have found serious fault with the existence of dark energy, but not everyone is buying into it.
A newly discovered suburb of baby-booming stars, known as the Radcliffe Wave, may be the largest structure in the Milky Way.
Mysterious ultra-fast pinpricks of radio energy keep lighting up the night sky and nobody knows why.
Researchers recently released simulations of the Large Magellanic Cloud — a satellite galaxy of the Milky Way — and found that cosmic rays from a starburst event are starting to rip it apart.
For the second time ever, the Laser Interferometer Gravitational-Wave Observatory (LIGO) has spotted two ultradense stellar remnants known as neutron stars violently crashing together.
Betelgeuse is dimming, which could mean that it's about to explode. But scientists aren't convinced it's ready to blow.
If we want to learn new things about everything from the first galaxies to the chance for life on other planets, the James Webb is our only hope.