In a significant astronomical discovery, researchers found three ultra-faint dwarf galaxies, offering new insights into the ...

Explore the James Webb Space Telescope's incredible discovery: a cosmic alignment revealing the teenage years of our Milky Way galaxy.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Towards the end of the month, Mercury appears in the evening sky, and climbs up past Saturn. In the dusk glow, you may be ...

September opens with Venus hosting winter constellations in the eastern predawn sky. West of the planet, the bright star Procyon, in Canis Minor, the little dog, rises at almost the same time as ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

A research team led by Dr. Sofia Sheikh of the SETI Institute, in collaboration with the Characterizing Atmospheric ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...