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Astronomers think object C/2019 Q4 (green line) could be an interstellar object, perhaps a comet from another star system.

NASA says a new comet is likely an ‘interstellar visitor’ from another star system — the second ever detected

If the comet-like object has interstellar origins, "it's the next best thing to sending a probe to a different solar system," one astronomer said.

Photos show why many native Hawaiians don’t want a giant telescope on the summit of Mauna Kea

The world's largest telescope could be built on sacred Hawaiian land, but activists and natives are protesting construction by blocking the roads.
When a star like our sun dies, it casts off its outer layers of gas, leaving only the hot core behind. A burned-out star, called a white dwarf, is the white dot in the center of this image taken by the Hubble Space Telescope.

Dead planets can ‘broadcast’ for up to a billion years, and they could tell astronomers what will happen after our sun blows up

Finding dead planets' radio broadcasts can help scientists learn how the sun's death in 5 billion years will affect our solar system.
An illustrated interpretation of what GJ 357 d may look like.

Astronomers have discovered a potentially habitable world just 31 light-years away, thanks to NASA’s planet-hunting telescope

TESS, a space telescope searching for alien worlds, helped astronomers discover a potentially watery new planet. It's one of the nearest known worlds.
Artist concept of a super-Earth

NASA’s newest planet-hunting telescope just discovered a ‘super-Earth’ and 2 ‘sub-Neptunes’ less than 75 light-years awa...

TESS, the space telescope searching for alien worlds, has discovered three nearby exoplanets that could offer clues about how planets form.
A Manhattanhenge sunset on 42nd Street July 11, 2014.

A stunning ‘Manhattanhenge’ sunset is happening on Friday and Saturday in New York City. Here’s how to see it.

The sun will dip perfectly between buildings in Manhattan to create a spectacle of light on Friday, July 12, and Saturday, July 13, 2019.
An animated map that shows where in the night sky more than 4,000 extrasolar planets are located.

An incredible new animation shows where, when, and how astronomers found 4,000 planets beyond our solar system

Since 1992, astronomers have discovered thousands of new worlds in deep space, and some may be habitable. A new YouTube video celebrates that feat.

Jupiter, Saturn and the moon will align in a rare phenomenon from June 14 to 19 – here’s when you can see it in Singapore

The phenomenon will take place while the moon is in its "waxing gibbous" phase and can be best viewed after 11pm, said Science Centre Singapore.
The Hubble Space Telescope orbiting Earth in May 2009.

‘No image will surpass this’: Hubble telescope astronomers created a stunning picture of the deep universe with 16 years’ worth of p...

Researchers estimate the Hubble Space Telescope image includes 265,000 galaxies, some of which appear as they existed 13.3 billion years ago.
An occultation of Saturn and the moon, as seen from South Africa on March 29, 2019, using a smartphone mounted to a telescope.

A photographer recorded Saturn ‘touching’ the moon with his smartphone, and the pictures are stunning

Grant Petersen of South Africa spent months preparing to photograph the conjunction of the moon and Saturn using a Galaxy S8 phone and a telescope.