Alien Artifacts Could Be Hidden Across the Solar System. Here’s how we Could Search for Them.

Do aliens exist? Almost certainly. The universe is vast and ancient, and our corner of it is not particularly special. If life emerged here, it probably did elsewhere. Keep in mind this is a super broad assumption. A single instance of fossilized archaebacteria-like organisms five superclusters away would be all it takes to say, “Yes, … Read more

Here’s what to expect from Artemis 1 and why it’s important

This article was originally published at The Conversation. (opens in new tab) The contributed the article to’s Expert Voices: Op-Ed & Insights. Jack Burns (opens in new tab)Professor of Astrophysical and Planetary Sciences, University of Colorado Boulder NASA’s Artemis 1 mission is poised to take a key step toward returning humans to the moon … Read more

Here’s how to edit James Webb Space Telescope images

Fancy playing with telescope images in your spare time? There’s a large community of people using James Webb Space Telescope imagery to create spectacular imagery. Judy Schmidt is among them, having recently created a spectacular image of the Phantom Galaxy (M74) based on Webb data. Schmidt sat down with to show the basics of … Read more

Game of Thrones prequel confirms there will be no sexual violence on screen. Here’s why that’s important

Credit: HBO HBO’s fantasy series “Game of Thrones” dominated television and pop culture discourse for much of a decade. Its upcoming prequel series, “House of the Dragon,” is similarly generating conversation, although not in ways the producers might prefer. Much of this has centered on discussions of sexual assault and rape on screen. This new … Read more

Senate bill passage hailed as ‘milestone’ for climate fight. Here’s what you need to know.

Credit: CC0 Public Domain Following decades of disappointment, environmental Sunday’s narrow vote in the US Senate for the nation’s biggest investment, by far, in the fight against climate change. Should the Inflation Reduction Act pass the House, possibly later this week, and receive President Joe Biden’s signature as expected, it would devote $369 billion toward … Read more

Climate change killed 40 million Australian mangroves in 2015. Here’s why they’ll probably never grow back

Credit: Norman Duke, author provided In the summer of 2015–2016, some 40 million mangroves shriveled up and died across the wild Gulf of Carpentaria in northern Australia, after extremely dry weather from a severe El Niño event saw coastal water plunge 40 centimeters. The low water level lasted about six months, and the mangroves died … Read more

Here’s when to see it

by Ashley R. Williams, USA Today Credit: Pixabay/CC0 Public Domain Grab your binoculars: A comet that has fascinated scientists for five years approaches its closest distance from Earth this week—and you might be able to catch a glimpse. There’s a chance of spotting the C/2017 K2 PANSTARRS comet, also called K2, on Wednesday or Thursday … Read more

Dark matter: should we be so sure it exists? Here’s how philosophy can help.

The galaxy cluster Abell 520, with suspected dark matter highlighted in blue. (Image credit: NASA) This article was originally published at The Conversation. The contributed the article to’s Expert Voices: Op-Ed & Insights. Antonis Antoniou (opens in new tab)PhD candidate in Philosophy of Science, University of Bristol It has been more than 50 years … Read more

The 3 biggest constellations will be on full display this June. Here’s how to see them.

The large constellations Hydra, Virgo and Ursa Major as seen in the sky of New York approaching 10 pm local time on June 7, 2022. (Image credit: Starry Night) June presents a perfect opportunity to spot the three biggest constellations in the sky — Hydra, Virgo and Ursa Major — but you may have to … Read more