This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

Mercury, the first planet from the sun, is about to stand out among the stars this week. But this brightness is not expected ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Early Friday morning, the Earth will pass between the sun and the moon, casting a shadow over the moon for several hours.

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune were already visible in the night sky after dusk this month, but Mercury joined them on Feb. 28. While it's common to see a few planets line up in the ...

A treat awaits sky gazers in the month of March – the moon will take on a deep, reddish hue as it slips into the Earth’s shadow during a total lunar eclipse.

It rapidly zooms into the morning sky, reaching an ... reaching solar conjunction on March 12. Earth will pass through the plane of Saturn's ring system on March 23, at which time the rings ...

As humans, we’re curious about how we got here. When we look out at the night sky, we see stars and planets, even galaxies.