Space News & Blog Articles

Why doesn't Earth have Trojan asteroids of its own? Large impacts in the early years of the solar system may be to blame.

Download this month's Sky Tour podcast to find which planets are visible in the morning and evening skies, along expert tips for how to view the total lunar eclipse on May 15–16.

An independent team has found additional black hole mergers in LIGO data.

Mercury passes the Pleiades at dusk. Jupiter passes Venus in the dawn as Mars and Saturn watch. And can you name the three brightest stars of these spring nights? Hint: They're all magnitude zero.

A new analysis method has revealed DNA building blocks in meteorites, suggesting that these prebiotic molecules might have formed during the solar system's earliest years.

As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They're not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova!

Once the primary mission of NASA's OSIRIS-REx is complete, the spacecraft will head toward a new destination: near-Earth asteroid Apophis.

A recently discovered type of stellar explosion might fit right in among the spectrum from regular supernovae to massive gamma-ray bursts.

The Hubble Space Telescope turns 32 on April 24th, and the team behind the telescope is marking the occasion with the release of a galactic family picture.

Are you interested in combating light pollution? International Dark Sky Week, which starts today, offers events in which you can learn how.

Arcturus, Spica, and Corvus put on their spring show. The Pointers point straight down at nightfall, which means Leo walks the high south and the Arch of Spring spans the west.

A distant object in a deep Hubble Space Telescope field could be in transition from ordinary galaxy to brilliant beacon of light.

Big winners in the planetary science decadal survey include a Uranus flagship mission, a orbiter and lander for Enceladus, and an emphasis on planetary defense.

Here's what to know if you want to see this hybrid (mostly total) solar eclipse next year.

Radar measurements of ice on Earth suggest that Jupiter's moon Europa might host water near its surface.

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ESPN will host Saturday’s matchup between the Toronto Raptors and Philadelphia 76ers with tip off set for 6:00 p.m. ET. The game will take place at Wells Fargo Center in […]

We celebrate Apollo 16 with a look back at photos from the mission that took two astronauts to the lunar surface for three days of exploration.

Orion descends, Leo walks sideways, the Dog Stars stand up straight, the Moon wanes past full, and at dawn, Jupiter, Venus, Mars, and Saturn form a diagonal straight line.

Space exploration can serve as an antidote to war. And vice versa.

Even though Neptune is entering its version of summer, it's actually cooling down — except for its poles, which are mysteriously warming up.